DONTREFI

Second lien vs. cash-out refi

The whole argument, in your own numbers. Change anything — the math updates instantly and the link in your address bar carries it, so you can send this to anyone.

Your first mortgage

The cash

The refi alternative

*Every figure is a modeling illustration built from the numbers you enter — not a quote, an offer, or available terms.

Keep the first, add a second

Wins
Total monthly payment
$3,346
Blended cost of all debt
4.50%
Lifetime interest
$390,075

Cash-out refinance everything

Total monthly payment
$4,093
Everything repriced at
7.25%
Lifetime interest + costs
$882,501

What the math says

Keeping your first mortgage runs $747/mo less than repricing everything, and $492,425 less in lifetime interest.