savings-goals

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Plan and track savings for specific financial goals including retirement, education, and home purchase. Use when the user asks about required savings rates, 529 plans, retirement accumulation targets, down payment planning, or goal prioritization. Also trigger when users mention 'how much do I need to save each month', 'am I on track for retirement', 'college savings', 'safe withdrawal rate', '4% rule', 'FIRE savings rate', 'catch-up contributions', 'employer match', or ask how to balance competing savings goals.

2installs
Sourcejoellewis/finance_skills
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NPX Install

npx skill4agent add joellewis/finance_skills savings-goals

Tags

Translated version includes tags in frontmatter
savings-goalpersonal-financefinancial-planningretirement-planningeducation-funding

SKILL.md Content

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Savings Goals

Purpose

Plan and track savings for specific financial goals — retirement, education, home purchase, and other targets. This skill computes required savings rates, projects future values under different scenarios, and helps prioritize competing goals.

Layer

6 — Personal Finance

Direction

Prospective

When to Use

  • Computing required monthly savings to reach a future goal
  • Planning education funding (529 plans, cost projections)
  • Retirement accumulation targets and savings rate analysis
  • Down payment planning for home purchase
  • Balancing and prioritizing multiple competing savings goals
  • Evaluating whether current savings pace is on track

Core Concepts

Required Monthly Savings

To accumulate a future value FV in n periods at rate r per period:
PMT = FV × r / [(1+r)^n - 1]
This is the sinking fund formula (future value of annuity solved for PMT).

Inflation-Adjusted Targets

Always compute goals in future (nominal) dollars:
FV_nominal = FV_today × (1 + inflation)^years
Then solve for the required savings using the nominal return, or use the real return with today's dollars.

Education Funding

  • 529 plans: tax-free growth for qualified education expenses, state tax deductions in many states
  • Current costs: ~$25K/year (public in-state) to $60K+/year (private), growing ~5%/year
  • Front-loading: maximize early contributions for compound growth
  • Superfunding: 5-year gift tax averaging (contribute 5× annual exclusion at once)
  • Financial aid impact: 529 owned by parent counted at ~5.6% in EFC

Retirement Accumulation

  • Target nest egg: annual spending need / safe withdrawal rate
    • Example: $80K/year spending / 0.04 = $2,000,000
  • Safe withdrawal rate: traditionally 4% (Bengen rule), adjusted for fees, taxes, longevity
  • Required savings rate: depends on starting age, current savings, expected returns
  • Employer match: always capture full match — it's an immediate 50-100% return
  • Catch-up contributions: additional 401(k)/IRA contributions allowed after age 50

Down Payment Saving

  • Typical target: 20% of home price (avoids PMI)
  • Timeline: typically 2-7 years → conservative allocation (HYSA, short-term bonds)
  • Include closing costs (2-5% of purchase price) in savings target

Goal Priority Framework

Recommended priority order:
  1. Emergency fund (3-6 months expenses)
  2. Employer 401(k) match (free money)
  3. High-interest debt payoff (>6-8% rate)
  4. HSA (triple tax advantage if eligible)
  5. Max retirement accounts (401k, IRA, Roth)
  6. Education funding (529)
  7. Other goals (home, vacation, etc.)

Multiple Goal Balancing

  • Allocate savings across goals based on priority, timeline, and flexibility
  • Non-negotiable goals (retirement) take precedence over flexible goals
  • Shorter timelines need more conservative investment allocation
  • Use goal-based investing: separate sub-portfolios per goal with appropriate risk

Savings Rate Benchmarks

  • Minimum: 15% of gross income for retirement (including employer match)
  • Aggressive: 25-50%+ for early retirement / FIRE
  • Savings rate = total savings / gross income

Key Formulas

FormulaExpressionUse Case
Required savings (PMT)PMT = FV × r / [(1+r)^n - 1]Monthly savings for a goal
Future value with savingsFV = PV(1+r)^n + PMT×[(1+r)^n - 1]/rProject goal balance
Inflation adjustmentFV_real = FV_today × (1+π)^tConvert today's dollars to future
Retirement targetNest egg = annual spend / SWRSize the retirement goal
Years to goaln = ln(FV×r/PMT + 1) / ln(1+r)How long until goal is funded
Savings rateSR = total savings / gross incomeTrack savings discipline

Worked Examples

Example 1: College Savings (529)

Given: Need $200,000 in 18 years, expect 7% annual return, starting from $0 Calculate: Required monthly savings Solution:
  • Monthly rate: r = 0.07/12 = 0.005833
  • Months: n = 18 × 12 = 216
  • PMT = $200,000 × 0.005833 / [(1.005833)^216 - 1]
  • PMT = $1,166.67 / [3.4787 - 1]
  • PMT = $1,166.67 / 2.4787 = $470.72/month

Example 2: Retirement Accumulation

Given: Age 30, $50,000 currently saved, wants $2,000,000 by age 65, expects 8% annual return Calculate: Required monthly savings Solution:
  • FV of current savings: $50,000 × (1.08)^35 = $50,000 × 14.785 = $739,274
  • Remaining needed: $2,000,000 - $739,274 = $1,260,726
  • Monthly rate: r = 0.08/12 = 0.006667
  • Months: n = 35 × 12 = 420
  • PMT = $1,260,726 × 0.006667 / [(1.006667)^420 - 1]
  • PMT = $8,404.84 / [16.367 - 1]
  • PMT = $8,404.84 / 15.367 = $547/month
  • With employer match of $200/mo: personal contribution = $347/month

Common Pitfalls

  • Not inflation-adjusting future goals (college in 18 years costs much more than today)
  • Neglecting employer match — it's the highest guaranteed return available
  • Too conservative allocation for long-horizon goals (20+ years can tolerate equity risk)
  • Saving for college before adequately funding retirement (retirement has no financial aid)
  • Not revisiting savings rate as income grows (lifestyle creep absorbs raises)
  • Using average returns without considering sequence risk near goal date

Cross-References

  • time-value-of-money (core plugin, Layer 0): FV/PV calculations, annuity formulas
  • emergency-fund (wealth-management plugin, Layer 6): must be funded before other goals
  • debt-management (wealth-management plugin, Layer 6): high-interest debt payoff competes with savings
  • tax-efficiency (wealth-management plugin, Layer 5): 529 tax benefits, Roth vs traditional, HSA
  • investment-policy (wealth-management plugin, Layer 5): goal-based allocation aligns with IPS constraints
  • asset-allocation (wealth-management plugin, Layer 4): glide paths for target-date retirement savings
  • finance-psychology (wealth-management plugin, Layer 7): mental accounting, present bias, commitment devices
  • financial-planning-workflow (advisory-practice plugin, Layer 10): savings goals are key inputs to the comprehensive financial planning process

Reference Implementation

See 
scripts/savings_goals.py
for computational helpers.