← All Recast with $25K calculations
$25K lump at month 12 — then keep paying the original amount. Monthly principal & interest: $4,827.74.
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| # | Strategy | Monthly payment | Payoff | Interest saved |
|---|---|---|---|---|
| 01 | Refinance to 15-Year | $5,144.54 | 15.0 yrs | $811,968 |
| 02 | Extra $500/Month | $4,827.74 | 20.8 yrs | $410,344 |
| 03 | Bi-Weekly Payments | $4,827.74 | 21.9 yrs | $362,502 |
| 04 | $5,000 Yearly Lump Sum | $4,827.74 | 22.0 yrs | $353,834 |
| 05 | Extra $200/Month | $4,827.74 | 25.1 yrs | $221,240 |
| 06 | Recast with $25K | $4,827.74 | 25.3 yrs | $246,828 |
| 07 | Standard 30-Year | $4,827.74 | 30.0 yrs | $0 |
After a year of normal payments, you put $25,000 toward principal in one lump. A formal recast would lower your required payment — but here you keep paying the original amount, so the difference attacks principal every month after.
$25,000 applied to principal with the 12th payment; borrower keeps paying the original monthly amount. A standard recast lowers the required payment instead — this illustration keeps the payment unchanged to maximize acceleration. Lenders may charge a recast fee.
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Calculations are illustrative only, based on the assumptions shown. Not financial advice, not a promise of savings or payoff time, and not a loan quote.