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Articles explaining the math behind the calculators.
Armadilha
The 20% Down Payment Myth, and When PMI Actually Ends
You don't need 20% down to buy a house. On a typical loan, PMI disappears in under 9 years from ordinary payments alone — federal law guarantees it, with or without a lender's cooperation.
Read articleArmadilhaAPR Is Not APY, and Lenders Know It
The average credit card APR for accounts carrying a balance is 22.15% — but with daily compounding, the effective yearly cost is 24.79%. Two different federal rules require two different numbers, and they're not interchangeable.
Read articleDecisãoWhen a Lower Refinance Payment Costs You More
A refinance can break even in 8 months and still cost $122,000 more over the life of the loan. The math that gets skipped: resetting the clock back to 30 years.
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