Mortgage hub
Mortgages are where small assumptions become big outcomes. This hub groups the calculators and guides that matter for real decisions: payment math, affordability, amortization, and refinance break-even.
Popular tools & definitions
Mortgage calculators and terms that show up in every payment and affordability decision.
Key calculators
Mortgage Calculator
Monthly payment math with guidance, examples, and edge cases.
House Affordability Calculator
Top‑down affordability using income and constraints.
Amortization Calculator
See interest vs principal over time; compare early payoff scenarios.
Payment Calculator
Quick payment comparisons for different terms and rates.
Rent vs Buy Calculator
Horizon and opportunity cost sanity checks.
Best guides
Mortgage calculator: first-time buyer guide
How to interpret results and avoid expensive mistakes.
PMI explained (and removal mindset)
How PMI changes affordability and how to think about removing it.
Refinance break-even (personal story)
Break-even math + term reset traps + decision framework.
Rent vs buy framework
Three scenarios that matter: base, move, rate shock.
House affordability framework (PITI + stress test)
Affordability that survives imperfect assumptions.
PITI + DTI affordability guide
The math that prevents “house poor” decisions.
How to use this hub
- Start with affordability (income constraints), then validate the payment with a mortgage calculator.
- Add taxes/insurance/HOA and maintenance reserve for a realistic monthly cost.
- Stress test the rate (+1%) and horizon (what if you move in 3 years?).
- Only then compare refinance offers using break-even months and interest-over-horizon.