Tax, Wealth & Corporate Finance Simulators
Multi-variable financial modeling: self-employed tax optimization, mortgage payoff vs. S&P 500 equity indexing, inflation-adjusted FIRE, and SaaS unit economics.
Freelancer Sole Proprietor vs. S-Corp / LLC Tax Simulator (2026)
Compare net take-home pay between sole proprietorship (1099) and S-Corp/LLC corporate structures by splitting reasonable officer salary and dividend distributions.
Early Mortgage Payoff vs. S&P 500 Index Investing Simulator
Should you put extra monthly cash toward paying off your mortgage early or investing in low-cost index funds? Compare guaranteed interest saved vs. after-tax portfolio growth.
Inflation-Adjusted FIRE & Safe Withdrawal Rate Simulator
Calculate your exact Financial Independence (FIRE) target number and years to retirement using real (inflation-adjusted) compounding and customizable Safe Withdrawal Rates (3.25%–4.0%).
SaaS LTV:CAC Ratio & Gross Margin Payback Period Calculator
Benchmark your startup unit economics against VC Series A/B standards: compute Gross-Margin Adjusted LTV, LTV:CAC multiple, and exact CAC Payback months.