Compare claiming at 62, 67 (full retirement age), or 70. Find your break-even age and lifetime benefit under each strategy.

Financial Independence, Retire Early. Compare Lean FIRE, Regular FIRE, and Fat FIRE targets based on your savings rate and expenses.

Use the DIME method (Debt, Income, Mortgage, Education) to calculate exactly how much life insurance coverage your family needs.

Project total tuition costs with inflation, calculate required monthly contributions, and model 529 growth against actual college costs.

Self-employed, freelancer, or investor? Calculate your quarterly estimated tax payments to avoid penalties and underpayment.

Estimate business value using three methods: revenue multiple, EBITDA multiple, and Discounted Cash Flow (DCF). See the range and average.

Find the exact unit volume and revenue at which your business breaks even, plus margin of safety and target profit analysis.

Compare the true cost of hiring a W-2 employee vs. a 1099 contractor, and model the S-Corp salary optimization strategy for self-employed income.

The true cost of buying includes opportunity cost of down payment, maintenance, taxes, and transaction costs. Find your break-even horizon.

Buy, Rehab, Rent, Refinance, Repeat. Model the full BRRRR cycle to see how much capital you can recycle into the next deal.

A 1031 exchange defers capital gains tax when selling investment property. See your tax deferral, boot exposure, and replacement property requirements.

Model a complete fix-and-flip project including acquisition, rehab, holding costs, financing, and selling expenses to determine your net profit.

Realize investment losses to offset capital gains and reduce your tax bill, while maintaining market exposure through similar (but not identical) assets.

Holding the right assets in the right accounts can save thousands in taxes annually. See which assets belong in taxable vs. tax-advantaged accounts.

Model how automatic dividend reinvestment accelerates wealth through additional compounding — the dividend snowball effect.

Price European call and put options using the Black-Scholes model. Includes all Greeks: Delta, Gamma, Theta, Vega, and Rho.

See the true lifetime financial impact of negotiating a higher salary — including compounding raises, retirement contributions, and benefits value.

Compare the true total cost of buying vs. leasing over 5 years, accounting for depreciation, financing, opportunity cost, and residual value.

Should you consolidate your debts into a single lower-rate loan? Compare your current situation against consolidation and find the break-even point.

The HSA is the only account with triple tax advantages. Model how investing your HSA (vs. spending it) builds a powerful healthcare nest egg.

Track your progress toward key wealth milestones ($100K, $250K, $500K, $1M, $2M) and project when you'll hit each one.