Amortization Schedule for a Typical West Virginia Home Loan
The amortization formula for a fixed-rate loan is:
M = P × [r(1+r)^n] / [(1+r)^n − 1]
M = monthly payment | P = principal | r = monthly rate (annual ÷ 12) | n = total payments
For West Virginia's median home scenario — $224,100 loan at 6.65%:
- Monthly rate r = 6.65% ÷ 12 = 0.5542%
- Monthly payment M = $1,439
- Month 1 interest: $1,242 | Month 1 principal: $197
- After 5 years (60 payments): balance still $210,115
- After 15 years (180 payments): balance still $163,489 (73% of original)
- Total interest over 30 years: $293,940
The key insight: after paying $1,439/month for 15 years — halfway through the loan — you still owe $163,489. This is because early payments are almost entirely interest. Paying just $200 extra per month would save approximately $96,817 in interest and shorten the loan by roughly 8.6 years.