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Savings Modeling

Model a dedicated savings account with monthly deposits, investment returns, and savings inflation — and see exactly when your reserves fall short.

How Savings Modeling Works

Set a starting balance and monthly contribution. The model tracks deposits, investment returns, savings inflation, withdrawals (replacement events), and running balance year by year — flagging the first year your account goes negative.

  • Starting balance, monthly savings, investment return rate, and savings inflation rate
  • Year-by-year balance tracking with deposits, returns, and withdrawals
  • Auto-calculated minimum monthly savings needed to avoid all deficits
  • Deficit detection flags the first shortfall year before cash-flow crisis

Why This Matters

Knowing you need $187K over 40 years is useless without knowing if your savings plan actually covers each expense when it hits. Deficit detection tells you exactly when you'll run short so you can adjust now — and investment returns and savings inflation overrides let you model real-world account growth.

  • Validate your monthly savings amount before shortfalls occur
  • Model real investment returns instead of static balances
  • See how large replacement events drain your reserves
  • Adjust contributions to eliminate deficit years

Sample Output

See what this feature calculates for you.

Savings Modeling
Monthly Savings $391/mo
Year 12 Balance (pre-HVAC) $28,440
Year 12 Balance (post-HVAC) $19,020
First Deficit Year Year 14

Ready to Use Savings Modeling?

Get access to this feature and everything else in CapEx & Maintenance Estimator.