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acquisition-channel-advisor

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Original

English
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Translation

Chinese

Purpose

目的

Guide product managers through evaluating whether to scale, test, or kill an acquisition channel based on unit economics (CAC, LTV, payback), customer quality (retention, NRR), and scalability (magic number, volume potential). Use this to make data-driven go-to-market decisions and optimize channel mix for sustainable growth.
This is not a channel strategy framework—it's a financial lens for channel evaluation that helps you avoid scaling unprofitable channels or killing channels with fixable problems. Use when deciding how to allocate marketing budget across channels.
本框架指导产品经理基于单位经济效益（CAC、LTV、回收期）、客户质量（留存率、NRR）和可扩展性（Magic Number、潜在规模），判断获客渠道是否需要扩大投入、测试优化或停止投入。借助该框架制定数据驱动的市场推广决策，优化渠道组合以实现可持续增长。
这并非渠道策略框架，而是从财务视角出发的渠道评估工具，可帮助你避免对无利可图的渠道扩大投入，或误判存在可修复问题的渠道。适用于跨渠道营销预算分配决策场景。

Key Concepts

核心概念

The Channel Evaluation Framework

渠道评估框架

A systematic approach to evaluate acquisition channels:
  1. Unit Economics — What does it cost to acquire, and what's the return?
    • CAC (Customer Acquisition Cost)
    • LTV (Lifetime Value)
    • LTV:CAC ratio
    • Payback period
  2. Customer Quality — Do customers from this channel stick around and expand?
    • Cohort retention rate (by channel)
    • Churn rate (by channel)
    • NRR (Net Revenue Retention by channel)
    • Expansion rate
  3. Scalability — Can this channel sustain growth at the volume you need?
    • Magic Number (S&M efficiency)
    • Addressable volume (TAM of channel)
    • Saturation risk (diminishing returns)
    • CAC trend (increasing, stable, decreasing)
  4. Strategic Fit — Does this channel align with your go-to-market strategy?
    • Customer segment match (SMB vs. enterprise)
    • Sales motion compatibility (PLG vs. sales-led)
    • Brand positioning alignment
一种系统化的获客渠道评估方法：
  1. 单位经济效益 — 获客成本与回报如何？
    • CAC (Customer Acquisition Cost，客户获取成本)
    • LTV (Lifetime Value，客户终身价值)
    • LTV:CAC 比值
    • 回收期
  2. 客户质量 — 该渠道获取的客户是否留存并产生增值？
    • 分渠道同期群留存率
    • 分渠道客户流失率
    • NRR (Net Revenue Retention，分渠道净收入留存率)
    • 客户增值率
  3. 可扩展性 — 该渠道能否支撑你所需的增长规模？
    • Magic Number (S&M效率指标)
    • 渠道潜在触达规模（渠道总可寻址市场）
    • 饱和风险（收益递减）
    • CAC趋势（上升、稳定、下降）
  4. 战略契合度 — 该渠道是否与你的市场推广战略匹配？
    • 客户群体匹配度（SMB vs 企业客户）
    • 销售模式兼容性（PLG vs 销售主导型）
    • 品牌定位契合度

Decision Matrix

决策矩阵

LTV:CACPaybackCustomer QualityScalabilityDecision
>3:1<12moGood retentionHigh volumeScale aggressively
2-3:112-18moAverage retentionMedium volumeTest & optimize
<2:1>18moPoor retentionLow volumeKill or fix
LTV:CAC回收期客户质量可扩展性决策
>3:1<12个月留存良好规模潜力大大力扩大投入
2-3:112-18个月留存一般规模潜力中等测试与优化
<2:1>18个月留存较差规模潜力小停止投入或优化修复

Anti-Patterns (What This Is NOT)

反模式（本框架不适用的情况）

  • Not vanity metrics: "We got 10,000 signups!" means nothing if they churn in 30 days
  • Not CAC-only thinking: Low CAC with terrible retention is worse than high CAC with great retention
  • Not ignoring payback: 5:1 LTV:CAC with 36-month payback is a cash trap
  • Not scaling broken channels: Pouring money into inefficient channels accelerates failure
  • 不关注虚荣指标：“我们获得了10000个注册用户！”如果这些用户30天内就流失，毫无意义
  • 不只看CAC：CAC低但留存极差，远不如CAC高但留存优秀的渠道
  • 不忽视回收期：LTV:CAC为5:1但回收期长达36个月，会陷入现金流陷阱
  • 不扩大问题渠道投入：向低效渠道持续注资会加速失败

When to Use This Framework

框架适用场景

Use this when:
  • Evaluating whether to scale a new channel (content, paid, events, etc.)
  • Deciding how to allocate marketing budget across channels
  • Assessing whether to kill an underperforming channel
  • Comparing channels to optimize ROI
  • Planning annual marketing budget allocation
Don't use this when:
  • Channel is brand-new (<3 months, <100 customers) — not enough data
  • You're testing channel fit (this is for evaluation, not experimentation)
  • Strategic channels (e.g., enterprises require field sales regardless of CAC)
  • You don't have channel-level data (need to track CAC, retention by source)
适用场景：
  • 评估是否扩大新渠道投入（内容营销、付费广告、线下活动等）
  • 决定跨渠道营销预算分配
  • 评估是否停止表现不佳的渠道
  • 对比渠道以优化投资回报率
  • 规划年度营销预算分配
不适用场景：
  • 渠道全新（启用时间<3个月，获客量<100）——数据不足
  • 测试渠道适配性（本框架用于评估，而非实验）
  • 战略型渠道（如企业客户需现场销售，无论CAC高低）
  • 无分渠道数据（需按来源跟踪CAC、留存率等指标）

Facilitation Source of Truth

引导执行参考标准

Use 
workshop-facilitation
 as the default interaction protocol for this skill.
It defines:
  • session heads-up + entry mode (Guided, Context dump, Best guess)
  • one-question turns with plain-language prompts
  • progress labels (for example, Context Qx/8 and Scoring Qx/5)
  • interruption handling and pause/resume behavior
  • numbered recommendations at decision points
  • quick-select numbered response options for regular questions (include 
    Other (specify)
    when useful)
This file defines the domain-specific assessment content. If there is a conflict, follow this file's domain logic.
默认使用
workshop-facilitation
作为本技能的交互协议。
该协议定义了：
  • 会话提醒与进入模式（引导式、上下文导入、最佳猜测）
  • 单轮提问机制与平实语言提示
  • 进度标签（例如：上下文问题x/8、评分问题x/5）
  • 中断处理与暂停/恢复规则
  • 决策节点的编号式建议
  • 常规问题的快速选择编号选项（必要时包含“其他（请说明）”）
本文档定义了领域特定的评估内容。若存在冲突，以本文档的领域逻辑为准。

Application

应用流程

This interactive skill asks up to 4 adaptive questions, offering 3-5 enumerated options at decision points.
本交互式技能会提出最多4个自适应问题，在决策点提供3-5个枚举选项。

Step 0: Gather Context

步骤0：收集上下文信息

Agent asks:
"Let's evaluate this acquisition channel. Please provide:
Channel details:
  • Channel name (e.g., Google Ads, content marketing, outbound sales, partnerships)
  • How long have you been using this channel? (months)
  • Current monthly spend on this channel
Customer acquisition:
  • Customers acquired per month (from this channel)
  • CAC for this channel (if known, otherwise we'll calculate)
Business context:
  • Blended CAC (across all channels)
  • Blended LTV
  • Current MRR/ARR
  • Target growth rate (% MoM or YoY)
You can provide estimates if you don't have exact numbers."
Agent提问：
“我们来评估这个获客渠道，请提供以下信息：
渠道详情：
  • 渠道名称（如Google Ads、内容营销、 outbound销售、合作伙伴等）
  • 该渠道已使用时长（月）
  • 该渠道当前月度投入
客户获取数据：
  • 每月通过该渠道获取的客户数量
  • 该渠道的CAC（如已知，否则我们将进行计算）
业务上下文：
  • 全渠道混合CAC
  • 全渠道混合LTV
  • 当前MRR/ARR
  • 目标增长率（月环比或年同比）
若没有精确数据，可提供估算值。"

Step 1: Evaluate Unit Economics

步骤1：评估单位经济效益

Agent calculates (if not provided):
CAC = Monthly Spend / Customers Acquired per Month
Agent asks:
"Now let's compare this channel's unit economics to your blended metrics.
Channel Unit Economics:
  • Channel CAC: $___
  • Blended CAC (all channels): $___
  • Channel LTV: $___ (if known; otherwise we'll use blended LTV as proxy)
  • Blended LTV: $___
Questions:
  1. Do customers from this channel have similar LTV to other channels?
    • Similar (use blended LTV)
    • Higher (they upgrade more, stick around longer)
    • Lower (they churn faster or are smaller deals)
    • Unknown (need to analyze cohort data)
  2. What's the payback period for this channel?
    • We can calculate: CAC / (Monthly ARPU × Gross Margin %)
    • Or you can provide it"
Based on answers, agent calculates:
  • LTV:CAC ratio for channel
  • Payback period
  • Comparison to blended metrics
Agent flags:
  • ✅ If LTV:CAC >3:1 and payback <12 months: "Strong unit economics"
  • ⚠️ If LTV:CAC 2-3:1 or payback 12-18 months: "Marginal unit economics"
  • 🚨 If LTV:CAC <2:1 or payback >18 months: "Poor unit economics"
Agent计算（若未提供）：
CAC = 月度投入 / 每月获客数量
Agent提问：
“现在对比该渠道与全渠道混合指标的单位经济效益。
渠道单位经济效益：
  • 渠道CAC：$___
  • 全渠道混合CAC：$___
  • 渠道LTV：$___（如已知；否则使用全渠道混合LTV作为参考）
  • 全渠道混合LTV：$___
问题：
  1. 该渠道客户的LTV与其他渠道是否相近？
    • 相近（使用全渠道混合LTV）
    • 更高（他们更常升级、留存更久）
    • 更低（他们流失更快或客单价更低）
    • 未知（需分析同期群数据）
  2. 该渠道的回收期是多少？
    • 我们可以计算：CAC /（月度ARPU × 毛利率）
    • 或直接提供数值"
基于回答，Agent计算：
  • 渠道LTV:CAC比值
  • 回收期
  • 与全渠道混合指标的对比
Agent标记：
  • ✅ 若LTV:CAC>3:1且回收期<12个月：“单位经济效益优异”
  • ⚠️ 若LTV:CAC为2-3:1或回收期为12-18个月：“单位经济效益一般”
  • 🚨 若LTV:CAC<2:1或回收期>18个月：“单位经济效益较差”

Step 2: Assess Customer Quality

步骤2：评估客户质量

Agent asks:
"How do customers from this channel perform compared to other channels?
Retention & Expansion:
  1. What's the churn rate for customers from this channel?
    • Lower than blended (they stick around longer)
    • Same as blended (no difference)
    • Higher than blended (they churn faster)
    • Unknown (need cohort analysis)
  2. What's the NRR for customers from this channel?
    • Higher than blended (they expand more)
    • Same as blended (no difference)
    • Lower than blended (they contract or churn more)
    • Unknown (need cohort analysis)
  3. What's the customer profile from this channel?
    • Ideal customer profile (ICP) — perfect fit
    • Close to ICP — mostly good fit
    • Off ICP — many poor-fit customers
    • Unknown"
Based on answers, agent evaluates:
  • ✅ High quality: Lower churn, higher NRR, ICP match
  • ⚠️ Medium quality: Similar to blended, mostly good fit
  • 🚨 Low quality: Higher churn, lower NRR, off ICP
Agent flags:
  • If high quality: "Premium channel—customers are better than average"
  • If low quality: "Quality problem—customers aren't sticking or expanding"
Agent提问：
“该渠道获取的客户与其他渠道客户表现对比如何？
留存与增值：
  1. 该渠道客户的流失率是多少？
    • 低于全渠道混合值（留存更久）
    • 与全渠道混合值持平（无差异）
    • 高于全渠道混合值（流失更快）
    • 未知（需同期群分析）
  2. 该渠道客户的NRR是多少？
    • 高于全渠道混合值（增值更多）
    • 与全渠道混合值持平（无差异）
    • 低于全渠道混合值（收缩或流失更多）
    • 未知（需同期群分析）
  3. 该渠道的客户画像如何？
    • 符合理想客户画像（ICP）——完美匹配
    • 接近ICP——大部分匹配
    • 偏离ICP——大量非匹配客户
    • 未知"
基于回答，Agent评估：
  • ✅ 高质量： 流失率低、NRR高、符合ICP
  • ⚠️ 中等质量： 与全渠道混合值持平、大部分匹配ICP
  • 🚨 低质量： 流失率高、NRR低、偏离ICP
Agent标记：
  • 若为高质量：“优质渠道——客户表现优于平均水平”
  • 若为低质量：“质量问题——客户留存或增值表现不佳”

Step 3: Evaluate Scalability

步骤3：评估可扩展性

Agent asks:
"Can this channel scale to meet your growth targets?
Efficiency & Volume:
  1. What's the S&M efficiency for this channel (Magic Number)?
    • Calculate: (New MRR from channel × 4) / Channel S&M Spend
    • Or provide if known
  2. What's the addressable volume for this channel?
    • Large (can scale 10x+ from current spend)
    • Medium (can scale 2-5x)
    • Small (near saturation, maybe 1.5x)
    • Unknown
  3. What's the CAC trend for this channel?
    • Decreasing (getting more efficient over time)
    • Stable (consistent CAC)
    • Increasing (diminishing returns, saturation)
    • Unknown (too early to tell)
  4. How much growth do you need from acquisition?
    • We'll calculate: Target growth - expansion/retention growth = acquisition gap"
Based on answers, agent evaluates:
  • ✅ Highly scalable: Magic number >0.75, large volume, stable/decreasing CAC
  • ⚠️ Moderately scalable: Magic number 0.5-0.75, medium volume, stable CAC
  • 🚨 Not scalable: Magic number <0.5, small volume, increasing CAC
Agent提问：
“该渠道能否支撑你的增长目标？
效率与规模：
  1. 该渠道的S&M效率（Magic Number）是多少？
    • 计算方式：（渠道新增MRR ×4）/ 渠道S&M投入
    • 或直接提供已知数值
  2. 该渠道的潜在触达规模如何？
    • 大（当前投入可扩大10倍以上）
    • 中（当前投入可扩大2-5倍）
    • 小（接近饱和，最多扩大1.5倍）
    • 未知
  3. 该渠道的CAC趋势如何？
    • 下降（效率随时间提升）
    • 稳定（CAC保持一致）
    • 上升（收益递减、接近饱和）
    • 未知（时间太短无法判断）
  4. 你需要通过获客实现多少增长？
    • 我们将计算：目标增长率 - 增值/留存带来的增长 = 获客缺口"
基于回答，Agent评估：
  • ✅ 高可扩展性： Magic Number>0.75、规模潜力大、CAC稳定/下降
  • ⚠️ 中等可扩展性： Magic Number为0.5-0.75、规模潜力中、CAC稳定
  • 🚨 不可扩展： Magic Number<0.5、规模潜力小、CAC上升

Step 4: Deliver Recommendations

步骤4：给出决策建议

Agent synthesizes:
  • Unit economics (LTV:CAC, payback)
  • Customer quality (retention, NRR, ICP fit)
  • Scalability (magic number, volume, CAC trend)
  • Strategic fit
Agent offers 3-4 recommendations:
Agent综合分析：
  • 单位经济效益（LTV:CAC、回收期）
  • 客户质量（留存率、NRR、ICP匹配度）
  • 可扩展性（Magic Number、规模、CAC趋势）
  • 战略契合度
Agent提供3-4条建议：

Recommendation Pattern 1: Scale Aggressively

建议模式1：大力扩大投入

When:
  • LTV:CAC >3:1 AND
  • Payback <12 months AND
  • Customer quality good or better AND
  • Magic Number >0.75 AND
  • Addressable volume large
Recommendation:
"Scale this channel aggressively — Excellent economics + scalability
Unit Economics:
  • CAC: $___
  • LTV: $___
  • LTV:CAC: ___:1 ✅ (>3:1 threshold)
  • Payback: ___ months ✅ (<12 months)
Customer Quality:
  • Retention: [Better than / Same as / Worse than] blended
  • NRR: [Higher / Same / Lower]
  • ICP Fit: [High / Medium / Low]
Scalability:
  • Magic Number: ___ ✅ (>0.75 = efficient)
  • Addressable Volume: Large
  • CAC Trend: [Stable / Decreasing]
Why this is a winner:
  • Every $1 spent returns $__ in LTV
  • Payback in under a year = fast cash recovery
  • [Customer quality insight]
  • Can scale 5-10x from current spend
How to scale:
  1. Increase budget by 50-100% next month
    • Current: $___ /month → Target: $___ /month
  2. Monitor key metrics weekly:
    • CAC (should stay <$___)
    • Magic Number (should stay >0.75)
    • Customer quality (retention, NRR)
  3. Scale until:
    • CAC increases >20% (saturation signal)
    • Magic Number drops <0.75 (efficiency declining)
    • Volume caps out
Expected impact:
  • Current: ___ customers/month
  • Target (2x spend): ___ customers/month
  • MRR impact: +$___/month
  • Payback: Still ~___ months even at 2x scale
Risk: Low. Strong unit economics support aggressive scaling."
适用场景：
  • LTV:CAC>3:1 且
  • 回收期<12个月 且
  • 客户质量良好及以上 且
  • Magic Number>0.75 且
  • 潜在触达规模大
建议内容：
"大力扩大该渠道投入 — 经济效益优异+可扩展性强
单位经济效益：
  • CAC：$___
  • LTV：$___
  • LTV:CAC：___:1 ✅（超过3:1阈值）
  • 回收期：___个月 ✅（小于12个月）
客户质量：
  • 留存率：[优于/持平/差于]全渠道混合值
  • NRR：[高于/持平/低于]全渠道混合值
  • ICP匹配度：[高/中/低]
可扩展性：
  • Magic Number：___ ✅（>0.75=高效）
  • 潜在触达规模：大
  • CAC趋势：[稳定/下降]
为何该渠道表现优异：
  • 每投入1美元，可获得$__的LTV回报
  • 回收期不足1年=现金流快速回收
  • [客户质量洞察]
  • 当前投入可扩大5-10倍
扩大投入方式：
  1. 下月投入增加50-100%
    • 当前：$/月 → 目标：$/月
  2. 每周监控核心指标：
    • CAC（需保持<$___）
    • Magic Number（需保持>0.75）
    • 客户质量（留存率、NRR）
  3. 停止扩大投入的触发条件：
    • CAC上升超过20%（饱和信号）
    • Magic Number降至0.75以下（效率下降）
    • 规模触顶
预期影响：
  • 当前：___客户/月
  • 目标（投入翻倍）：___客户/月
  • MRR影响：+$___/月
  • 回收期：投入翻倍后仍约为___个月
风险： 低。强劲的单位经济效益支持激进扩张。"

Recommendation Pattern 2: Test & Optimize

建议模式2：测试与优化

When:
  • LTV:CAC 2-3:1 OR
  • Payback 12-18 months OR
  • Customer quality average OR
  • Magic Number 0.5-0.75
Recommendation:
"Test & optimize before scaling — Marginal economics, fixable
Current State:
  • CAC: $___
  • LTV: $___
  • LTV:CAC: ___:1 ⚠️ (2-3:1 = marginal)
  • Payback: ___ months ⚠️ (12-18 months)
  • Magic Number: ___ ⚠️ (0.5-0.75 = acceptable, not great)
Customer Quality:
  • Retention: [Same as blended / Slightly worse]
  • NRR: [Same / Lower]
  • Issue: [Specific problem, e.g., "Higher churn in first 90 days"]
Diagnosis: [One of these:]
  • High CAC: Spending too much to acquire
  • Low LTV: Customers churn too fast or don't expand
  • Poor targeting: Attracting off-ICP customers
  • Inefficient conversion: High cost-per-click but low conversion rate
How to optimize:
If CAC is the problem:
  1. Improve conversion rate (optimize landing pages, offer, onboarding)
  2. Reduce cost-per-click (better targeting, ad creative)
  3. Shorten sales cycle (faster qualification, better demos)
If LTV is the problem:
  1. Improve onboarding for customers from this channel
  2. Target higher-value segments within channel
  3. Add expansion plays (upsell, cross-sell)
If targeting is the problem:
  1. Narrow audience (exclude poor-fit segments)
  2. Improve messaging (attract better-fit customers)
  3. Add qualification step (reduce poor-fit signups)
Timeline:
  • Spend 4-8 weeks optimizing
  • Track CAC and LTV weekly
  • Target: LTV:CAC >3:1, payback <12 months
  • If you hit targets: scale
  • If you can't fix it: consider killing
Don't scale yet: Current economics are break-even at best. Fix first, then scale."
适用场景：
  • LTV:CAC为2-3:1 或
  • 回收期为12-18个月 或
  • 客户质量一般 或
  • Magic Number为0.5-0.75
建议内容：
"扩大投入前先测试与优化 — 经济效益一般，存在可修复空间
当前状态：
  • CAC：$___
  • LTV：$___
  • LTV:CAC：___:1 ⚠️（2-3:1=一般）
  • 回收期：___个月 ⚠️（12-18个月）
  • Magic Number：___ ⚠️（0.5-0.75=可接受但非优异）
客户质量：
  • 留存率：[与全渠道混合值持平/略差]
  • NRR：[持平/低于]全渠道混合值
  • 问题：[具体问题，如“前90天流失率较高”]
诊断结论： [以下之一：]
  • CAC过高： 获客投入成本过高
  • LTV过低： 客户流失过快或未产生增值
  • 定位偏差： 吸引了非ICP客户
  • 转化低效： 点击成本高但转化率低
优化方向：
若问题为CAC过高：
  1. 提升转化率（优化落地页、优惠政策、新用户引导）
  2. 降低点击成本（优化目标受众、广告创意）
  3. 缩短销售周期（更快的客户资质审核、更优质的演示）
若问题为LTV过低：
  1. 优化该渠道客户的新用户引导流程
  2. 针对渠道内高价值细分群体进行投放
  3. 增加增值策略（向上销售、交叉销售）
若问题为定位偏差：
  1. 缩小受众范围（排除非匹配细分群体）
  2. 优化营销话术（吸引更匹配的客户）
  3. 增加资质审核环节（减少非匹配注册用户）
时间规划：
  • 投入4-8周进行优化
  • 每周跟踪CAC和LTV
  • 目标：LTV:CAC>3:1，回收期<12个月
  • 达成目标则扩大投入；无法修复则考虑停止
请勿立即扩大投入： 当前经济效益最多收支平衡，先优化再扩张。"

Recommendation Pattern 3: Kill or Pause

建议模式3：停止或暂停投入

When:
  • LTV:CAC <1.5:1 AND
  • No clear path to improvement
Recommendation:
"Kill this channel (or pause) — Economics don't support investment
Why:
  • CAC: $___
  • LTV: $___
  • LTV:CAC: ___:1 🚨 (<2:1 = unsustainable)
  • Payback: ___ months 🚨 (>18 months = cash trap)
Problem:
  • You're spending $___ to acquire a customer worth $___
  • [Losing money / Barely breaking even / Taking too long to recover cost]
Customer Quality:
  • Retention: [Worse than blended]
  • NRR: [Lower]
  • ICP Fit: [Poor]
What's broken: [Specific diagnosis:]
  • CAC too high (spending $___ vs. blended $___)
  • LTV too low (customers churn at ___% vs. blended ___%)
  • Both (bad unit economics from both sides)
Should you fix or kill?
Fix if:
  • You have a hypothesis to improve CAC by 50%+ (better targeting, conversion)
  • You have a hypothesis to improve LTV by 50%+ (better onboarding, ICP focus)
  • This is a strategically important channel (e.g., enterprise requires field sales)
Kill if:
  • No clear path to 3:1 LTV:CAC
  • Better channels available (reallocate budget there)
  • Small addressable volume (not worth fixing)
Recommendation: Kill and reallocate budget
Reallocate to:
  • Channel X (LTV:CAC = ___:1, can scale)
  • Channel Y (Magic Number = ___, efficient)
What to do with budget:
  • Current channel spend: $___/month
  • Reallocate to [top-performing channel]
  • Expected impact: [better CAC, better LTV, faster payback]
Exception: If this channel is <10% of total S&M spend, just pause it. Not worth fixing."
适用场景：
  • LTV:CAC<1.5:1 且
  • 无明确改善路径
建议内容：
"停止该渠道投入（或暂停） — 经济效益不支持持续投资
原因：
  • CAC：$___
  • LTV：$___
  • LTV:CAC：___:1 🚨（<2:1=不可持续）
  • 回收期：___个月 🚨（>18个月=现金流陷阱）
核心问题：
  • 你投入$获取的客户，终身价值仅为$
  • [亏损/勉强收支平衡/回收成本耗时过长]
客户质量：
  • 留存率：[差于全渠道混合值]
  • NRR：[低于全渠道混合值]
  • ICP匹配度：[低]
问题根源： [具体诊断：]
  • CAC过高（投入$___ vs 全渠道混合值$___）
  • LTV过低（客户流失率___% vs 全渠道混合值___%）
  • 两者皆有（单位经济效益双向恶化）
修复还是停止？
可修复场景：
  • 有明确假设可将CAC降低50%以上（优化定位、转化）
  • 有明确假设可将LTV提升50%以上（优化新用户引导、聚焦ICP）
  • 该渠道为战略重要渠道（如企业客户需现场销售）
停止场景：
  • 无明确路径实现LTV:CAC=3:1
  • 有更优质渠道可用（将预算重新分配至这些渠道）
  • 潜在触达规模小（不值得修复）
建议：停止投入并重新分配预算
预算重新分配方向：
  • 渠道X（LTV:CAC=___:1，可扩展）
  • 渠道Y（Magic Number=___，高效）
预算调整方案：
  • 当前渠道投入：$___/月
  • 重新分配至[表现最佳渠道]
  • 预期影响：[更优CAC、更高LTV、更快回收期]
例外情况： 若该渠道投入占总S&M投入<10%，直接暂停即可，不值得修复。"

Recommendation Pattern 4: Invest to Learn (Strategic Channel)

建议模式4：战略性投入以学习

When:
  • Poor unit economics BUT
  • Strategic importance (enterprise channel, brand building, long-term)
Recommendation:
"Continue, but cap investment — Strategic value > short-term ROI
Financial Reality:
  • CAC: $___
  • LTV: $___
  • LTV:CAC: ___:1 (below 3:1 threshold)
  • Payback: ___ months (long)
Why continue despite poor economics:
  • [Strategic reason: e.g., "Enterprise segment requires field events, but deals are 12-month sales cycles"]
  • [Brand building: e.g., "Conferences build brand awareness that drives inbound long-term"]
  • [Market positioning: e.g., "Need to be present in this channel for credibility"]
How to manage:
  1. Cap spend — Don't scale until economics improve
    • Current: $___/month
    • Cap at: $___/month (hold steady)
  2. Track leading indicators — Don't just look at short-term CAC/LTV
    • Pipeline influence
    • Brand awareness lift
    • Referral rate from this channel
  3. Re-evaluate quarterly
    • If economics improve (LTV:CAC >3:1): scale
    • If economics stay poor: reconsider strategy
Timeline:
  • Give it [6-12 months] to show results
  • If no improvement: kill or reduce drastically
Risk: You're subsidizing growth. Make sure it's worth it."
适用场景：
  • 单位经济效益差 但
  • 具有战略重要性（企业渠道、品牌建设、长期布局）
建议内容：
"继续投入，但设置上限 — 战略价值>短期投资回报率
财务现状：
  • CAC：$___
  • LTV：$___
  • LTV:CAC：___:1（低于3:1阈值）
  • 回收期：___个月（较长）
为何经济效益差仍需继续：
  • [战略原因：如“企业客户需线下活动，但销售周期长达12个月”]
  • [品牌建设：如“行业会议可提升品牌知名度，长期带动自然流量”]
  • [市场定位：如“需布局该渠道以提升行业可信度”]
管理方式：
  1. 设置投入上限 — 经济效益改善前不扩大投入
    • 当前：$___/月
    • 上限：$___/月（保持稳定）
  2. 跟踪领先指标 — 不只关注短期CAC/LTV
    • 销售线索影响
    • 品牌知名度提升
    • 该渠道带来的推荐率
  3. 每季度重新评估
    • 若经济效益改善（LTV:CAC>3:1）：扩大投入
    • 若经济效益持续不佳：重新考虑战略
时间规划：
  • 给予6-12个月以验证效果
  • 若无改善：停止或大幅削减投入
风险： 你在补贴增长。需确保该投入具有足够价值。"

Step 5: Compare Across Channels (Optional)

步骤5：跨渠道对比（可选）

If user has multiple channels, agent can generate:
ChannelCACLTVLTV:CACPaybackMagic NumberQualityRecommendation
Google Ads$500$2,0004:18mo0.9HighScale
Content$200$1,5007.5:14mo1.2HighScale
Outbound$10K$50K5:118mo0.6MediumOptimize
Events$15K$30K2:124mo0.3LowKill
Budget allocation recommendation:
  1. Scale: Content (highest efficiency)
  2. Scale: Google Ads (strong economics)
  3. Optimize: Outbound (improve magic number)
  4. Kill: Events (reallocate budget)
若用户有多个渠道，Agent可生成：
渠道CACLTVLTV:CAC回收期Magic Number客户质量建议
Google Ads$500$2,0004:18个月0.9高扩大投入
内容营销$200$1,5007.5:14个月1.2高扩大投入
Outbound销售$10K$50K5:118个月0.6中优化
线下活动$15K$30K2:124个月0.3低停止
预算分配建议：
  1. 扩大投入：内容营销（效率最高）
  2. 扩大投入：Google Ads（经济效益强劲）
  3. 优化：Outbound销售（提升Magic Number）
  4. 停止：线下活动（重新分配预算）

Examples

示例

See 
examples/
folder for sample conversation flows. Mini examples below:
详见
examples/
文件夹中的完整对话流程。以下为精简示例：

Example 1: Scale (Content Marketing)

示例1：扩大投入（内容营销）

Channel: Organic content (blog, SEO)
  • CAC: $200
  • LTV: $3,000
  • LTV:CAC: 15:1
  • Payback: 3 months
  • Magic Number: 1.8
  • Customer quality: High (lower churn, higher NRR)
Recommendation: Scale aggressively. Exceptional unit economics, fast payback, high-quality customers. Increase content spend 2-3x.
渠道： 自然流量内容（博客、SEO）
  • CAC：$200
  • LTV：$3,000
  • LTV:CAC：15:1
  • 回收期：3个月
  • Magic Number：1.8
  • 客户质量：高（流失率低、NRR高）
建议： 大力扩大投入。单位经济效益极佳、回收期短、客户质量高。将内容营销投入增加2-3倍。

Example 2: Optimize (Paid Search)

示例2：优化（付费搜索）

Channel: Google Ads
  • CAC: $800
  • LTV: $2,000
  • LTV:CAC: 2.5:1
  • Payback: 14 months
  • Magic Number: 0.6
  • Customer quality: Lower (higher churn in first 90 days)
Recommendation: Test & optimize before scaling. CAC is high, onboarding is weak for this segment. Improve landing page, target higher-intent keywords, better onboarding for paid customers.
渠道： Google Ads
  • CAC：$800
  • LTV：$2,000
  • LTV:CAC：2.5:1
  • 回收期：14个月
  • Magic Number：0.6
  • 客户质量：低（前90天流失率高）
建议： 先测试优化再扩大投入。CAC过高，该群体新用户引导流程薄弱。优化落地页、瞄准高意向关键词、优化付费客户新用户引导。

Example 3: Kill (Trade Shows)

示例3：停止投入（行业展会）

Channel: Industry events
  • CAC: $20,000
  • LTV: $30,000
  • LTV:CAC: 1.5:1
  • Payback: 30 months
  • Magic Number: 0.2
  • Customer quality: Low (off-ICP, many tire-kickers)
Recommendation: Kill. CAC too high, payback too long, poor customer quality. Reallocate budget to content and paid search.
渠道： 行业活动
  • CAC：$20,000
  • LTV：$30,000
  • LTV:CAC：1.5:1
  • 回收期：30个月
  • Magic Number：0.2
  • 客户质量：低（偏离ICP，大量无效客户）
建议： 停止投入。CAC过高、回收期过长、客户质量差。将预算重新分配至内容营销和付费搜索。

Common Pitfalls

常见误区

Pitfall 1: Scaling Broken Channels

误区1：扩大问题渠道投入

Symptom: "Let's 10x our Google Ads spend!" (LTV:CAC is 1.5:1)
Consequence: You accelerate cash burn without improving unit economics. Lose money faster.
Fix: Only scale channels with LTV:CAC >3:1 and payback <12 months. Fix broken channels before scaling.
症状： “我们要把Google Ads投入增加10倍！”（但LTV:CAC仅为1.5:1）
后果： 加速现金消耗，却未改善单位经济效益，更快亏损。
解决： 仅对LTV:CAC>3:1且回收期<12个月的渠道扩大投入。先修复问题渠道再扩张。

Pitfall 2: Ignoring Customer Quality

误区2：忽视客户质量

Symptom: "CAC is only $100!" (but customers churn in 30 days)
Consequence: Low CAC means nothing if LTV is also low. You're acquiring churners, not customers.
Fix: Track cohort retention and NRR by channel. Low CAC + high churn = bad channel.
症状： “CAC仅为100美元！”（但客户30天内就流失）
后果： CAC低但LTV也低毫无意义，你获取的是流失用户，而非长期客户。
解决： 按渠道跟踪同期群留存率和NRR。CAC低+高流失=劣质渠道。

Pitfall 3: Celebrating Vanity Metrics

误区3：沉迷虚荣指标

Symptom: "We got 10,000 signups from this campaign!" (5% convert to paid)
Consequence: Signups don't pay bills. CAC is calculated on paid customers, not signups.
Fix: Track CAC on paid customers only. Ignore vanity metrics like signups, impressions, clicks.
症状： “我们从这个活动获得了10000个注册用户！”（仅5%转化为付费客户）
后果： 注册用户无法带来收入。CAC需基于付费客户计算，而非注册用户。
解决： 仅跟踪付费客户的CAC。忽略注册用户、曝光量、点击量等虚荣指标。

Pitfall 4: Averaging Across Channels

误区4：全渠道平均计算

Symptom: "Blended CAC is $500" (but hiding that one channel is $10K CAC)
Consequence: Bad channels hide in blended metrics. You don't know which channels to kill.
Fix: Track CAC, LTV, payback by channel. Compare channels individually.
症状： “全渠道混合CAC为500美元”（但其中一个渠道CAC高达10000美元）
后果： 劣质渠道隐藏在混合指标中，你无法识别需停止的渠道。
解决： 按渠道跟踪CAC、LTV、回收期。单独对比各渠道表现。

Pitfall 5: Short-Term CAC Optimization

误区5：短期CAC优化

Symptom: "We reduced CAC 50%!" (by targeting low-intent, low-LTV customers)
Consequence: CAC dropped but so did LTV. Unit economics got worse, not better.
Fix: Optimize for LTV:CAC ratio, not CAC alone. Higher CAC with higher LTV is better.
症状： “我们把CAC降低了50%！”（通过瞄准低意向、低LTV客户）
后果： CAC下降但LTV也下降，单位经济效益反而恶化。
解决： 优化LTV:CAC比值，而非仅优化CAC。CAC高但LTV更高的渠道更优质。

Pitfall 6: Ignoring Payback Period

误区6：忽视回收期

Symptom: "LTV:CAC is 6:1, this channel is amazing!" (payback is 48 months)
Consequence: You run out of cash before recovering CAC. Great ratio, terrible cash flow.
Fix: Pair LTV:CAC with payback period. 3:1 with 8-month payback beats 6:1 with 36-month payback.
症状： “LTV:CAC为6:1，这个渠道太棒了！”（但回收期长达48个月）
后果： 回收CAC前就耗尽现金流。比值优异但现金流表现极差。
解决： 将LTV:CAC与回收期结合评估。3:1比值+8个月回收期，优于6:1比值+36个月回收期。

Pitfall 7: Killing Channels Too Early

误区7：过早停止渠道投入

Symptom: "This channel didn't work after 2 weeks"
Consequence: Channels need time to optimize. Killing too early wastes learning.
Fix: Give channels 3-6 months and 100+ customers before evaluating. Track trends, not snapshots.
症状： “这个渠道2周没效果，停了！”
后果： 渠道需要时间优化，过早停止浪费学习机会。
解决： 给予渠道3-6个月时间，获客量达100+后再评估。跟踪趋势，而非快照数据。

Pitfall 8: Over-Relying on One Channel

误区8：过度依赖单一渠道

Symptom: "90% of our customers come from Google Ads"
Consequence: Algorithm change, competitor outbids you, channel saturates = business grinds to halt.
Fix: Diversify channels. No single channel should be >50% of new customer acquisition.
症状： “90%的客户来自Google Ads”
后果： 算法变更、竞争对手出价更高、渠道饱和，都会导致业务停滞。
解决： 多元化渠道。单一渠道获客占比不应超过50%。

Pitfall 9: Forgetting Incrementality

误区9：忽视增量效果

Symptom: "This retargeting campaign has great ROI!" (but customers would've converted anyway)
Consequence: You're paying for conversions that would happen organically. Inflated ROI.
Fix: Test incrementality with holdout groups. Only count truly incremental conversions.
症状： “这个重定向活动投资回报率极高！”（但客户本来就会转化）
后果： 为自然转化付费，高估了投资回报率。
解决： 通过对照组测试增量效果。仅统计真正的增量转化。

Pitfall 10: Strategic Channels Without Limits

误区10：战略渠道无投入限制

Symptom: "Enterprise events are strategic, we can't stop!" (losing $500K/year)
Consequence: "Strategic" becomes an excuse for burning cash indefinitely.
Fix: Cap spend on strategic channels. Set timeline for improvement (6-12 months). If no progress, kill.
症状： “企业活动是战略需求，不能停！”（每年亏损50万美元）
后果： “战略”成为无限烧钱的借口。
解决： 为战略渠道设置投入上限。设定6-12个月的改善期限。若无进展，停止投入。

References

参考资料

Related Skills

相关技能

  • saas-economics-efficiency-metrics
    — CAC, LTV, payback, magic number calculations
  • saas-revenue-growth-metrics
    — NRR, churn, cohort analysis by channel
  • finance-metrics-quickref
    — Fast lookup for channel evaluation metrics
  • feature-investment-advisor
    — Similar ROI framework for feature decisions
  • business-health-diagnostic
    — Broader business health assessment
  • saas-economics-efficiency-metrics
    — CAC、LTV、回收期、Magic Number计算
  • saas-revenue-growth-metrics
    — 分渠道NRR、流失率、同期群分析
  • finance-metrics-quickref
    — 渠道评估指标快速查询
  • feature-investment-advisor
    — 类似的功能决策ROI框架
  • business-health-diagnostic
    — 更全面的业务健康评估

External Frameworks

外部框架

  • Brian Balfour (Reforge): Channel-product fit framework
  • David Skok: "SaaS Metrics" — CAC, LTV, and payback for channels
  • Tomasz Tunguz: SaaS channel benchmarking
  • First Round Review: "How to Find and Scale Your Growth Channels"
  • Brian Balfour（Reforge）： 渠道-产品适配框架
  • David Skok： 《SaaS指标》——渠道相关CAC、LTV、回收期
  • Tomasz Tunguz： SaaS渠道基准数据
  • First Round Review： 《如何找到并扩大你的增长渠道》

Provenance

来源

  • Adapted from 
    research/finance/Finance_For_PMs.Putting_It_Together_Synthesis.md
    (Decision Framework #2)
  • Channel economics from 
    research/finance/Finance for Product Managers.md
  • 改编自
    research/finance/Finance_For_PMs.Putting_It_Together_Synthesis.md
    （决策框架#2）
  • 渠道经济学内容来自
    research/finance/Finance for Product Managers.md