Within the rigid logic of the amortization table lies what financial analysts call a "Math Glitch"—a vulnerability that allows a buyer to delete up to 10 years of payments.
The "13th Payment" Logic: Reversing the Friction
> Home Price: $445,000 (10% Down)
> Loan Amount: $400,000 at 6.8%
> Total Interest (Standard 30-Yr): $539,422
> Total Interest (Accelerated Strategy): $435,118
> **Total Savings: $104,304**
> **Time Deleted: 5 Years, 8 Months**
By making one extra principal-only payment per year, you force the amortization table to recalculate interest on a lower base, creating a compound interest reverse-trap.