Every feature, in one place.

FIREproof keeps growing. Filter by category to find what matters to you.

Including Guyton-Klinger, VPW, CAPE, and Hebeler as selectable spending rules: the deepest named-strategy catalog of the three major retirement planning tools.

Showing 53 of 53 features

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Risk-Based Guardrails

Sizes spending each year to a target chance of success instead of a withdrawal-rate proxy. Raises promptly, cuts reluctantly.

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TIPS Bond Ladder

Defined-maturity TIPS rungs fund early-retirement spending from maturing bonds, insulating equities from sequence-of-returns risk. Held to maturity, excluded from rebalancing.

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Bucket Strategy

Three-bucket retirement approach with market-aware refills and bear-market protection.

Required Minimum Distributions (RMDs)

Auto-applied to traditional accounts at the right age.

Roth Conversion Optimizer

Manual or optimizer-mode conversions, bracket room visualization, 5-year rule modeling.

72(t) SEPP

Penalty-free early withdrawals using all three IRS methods (RMD, Fixed Amortization, Fixed Annuitization), with live payment preview.

Bracket-Filling Withdrawals

Spend up to a target tax bracket for tax-efficient drawdown.

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ACA Premium Tax Credits

ZIP-based premium lookup, year-by-year subsidy projections, FPL cliff/reduction warnings.

Capital Gains & Cost Basis

Cost basis tracking, long/short-term gains, §121 home sale exclusion.

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Real Payroll Taxes (Job adjustment)

Gross salary, federal brackets, FICA with wage base cap, configurable other deductions.

CPI Sub-Options Per Adjustment

Model costs that grow faster or slower than CPI (e.g., healthcare).

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FAFSA Optimizer

Project Student Aid Index (SAI) and Pell eligibility for college-bound dependents, then suppress Traditional withdrawals during base years to lower reportable income.

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Primary Residence Modeling

Track value, mortgage amortization, property tax, insurance, maintenance, HOA.

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Rental Properties

Monthly rent, vacancy rate, management fees, depreciation tax shield, recapture on sale.

Mortgage Amortization

Year-by-year balance/interest/principal split with live monthly payment preview.

Property Appreciation

Flat rate, CPI-linked, or no appreciation.

Property Sale with §121 Exclusion

Projected sale price, selling costs, capital gains, primary-residence exclusion.

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1031 Like-Kind Exchange

Defer eligible capital gains and depreciation recapture, carry basis forward.

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Future Property Purchase

Plan a purchase in any future year with funding source, closing costs, new mortgage.

Real Estate Net Worth Toggle

Overlay property equity and total net worth on the portfolio chart.

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Cash Flow Priorities

Drag-and-drop list telling the simulator where surplus income goes each year.

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Employer 401(k) Match

Match percentage and cap modeled correctly against §415(c) limits.

Custom Inflows/Outflows

Recurring or one-time income/expenses; presets for Mortgage, Tuition, Side Hustle, Inheritance.

Pre-Retirement Expense Modeling

Distinct working-years vs. retirement spending.

Take-Home Salary

Quick after-tax income entry when you don't want full payroll modeling.

Guyton-Klinger Guardrails

The full decision-rule set: Capital Preservation cuts spending 10% when your withdrawal rate spikes, Prosperity raises it 10% when the portfolio runs ahead, and inflation raises are skipped in between.

VPW (Variable Percentage Withdrawal)

The Bogleheads amortization rule: spread today's balance over your remaining years at an assumed return, targeting whatever ending value you choose.

CAPE-Based Spending

Spending rate keys off Shiller's cyclically-adjusted earnings yield, so you spend more when stocks are cheap and less when they are expensive.

Hebeler Autopilot

Henry Hebeler's actuarial method: a weighted blend of inflation-adjusted spending and an RMD-style draw, so spending tracks both your balance and your remaining life expectancy.

Percent of Portfolio, Variable, and Fixed Spending

The simpler rules too: a flat percentage of the balance, Z-value variable spending, and fixed real or fixed nominal dollars. Every rule takes a spending floor and ceiling.

ACA Subsidy Optimization

Route spending to keep income in the subsidy sweet spot.

Tax-Efficient Withdrawal Order

Bracket-filling, Roth/brokerage routing, ACA-aware.

Account Withdraw Order

Manually specify which accounts to draw from in retirement.

Per-Account DRIP Toggle

Opt in to dividend reinvestment per account; default uses dividends as spending cash.

Phase-Based Safe Withdrawal Rate

Color-coded SWR badge with phase breakdown when income/expenses change.

Standard accounts

Brokerage, 401(k), Traditional IRA, Roth IRA, Checking, Savings, HSA.

457(b)

Penalty-free withdrawals at any age after separation.

Joint Accounts

Proper ownership for couples.

International Account Types

TFSA, RRSP, ISA, SIPP, Plan de Pensiones.

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Rich, Broke, or Dead Chart

Outcome bands at every age weighted by SSA actuarial data.

Bucket Chart

Bucket balances over time vs. targets and floors.

Drill-Down Year-by-Year

Transaction-by-transaction details for every cycle.

Healthcare Income Alert

Flags ACA cliff/reduction years on the Proof page.

Visual Analysis

Graphs for income, spending, taxes, and net worth.

Monte Carlo Custom Assets

Generate simulated returns for large-caps, bonds, REITs, Bitcoin, etc.

Beta-Relative Correlated Assets

Custom assets that correlate to the S&P 500 instead of acting independently.

Allocation Glide Paths

Change your stock/bond/cash mix over time.

Modified Historic Inflation

Scale historical CPI by a percentage or offset.

Save Your Work

Store individual saved simulations under your account.

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Duplicate Sim

Clone an entire simulation tree to fork an alternative.

Compare Sims

Side-by-side comparison of saved simulations.

What-If Panel

Quick-toggle scenarios without permanently editing inputs.

Try-It Demo Mode

Explore the full app without an account.