mortgage rates
You Think Mortgage Rates Are Straight‑Line - They’re an Algebraic Beast (And Your Calculator Is Missing the Curve)
Mortgage rates are not a straight line; even a $100 difference in your calculator can shift total costs by about $30,000 over a 30-year loan. The latest 30-year fixed rate of 6.352% shows how small changes cascade into big cash-flow effects. Understanding the underlying algebra helps you avoid