re: When does it make sense, mathematically, to accelerate mortgage payments?

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Also, I just don't see the argument for feeling better about paying it down - it LOWERS your cash on hand. That seems LESS secure to me.

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I think there’s some version of sunk-cost fallacy at play with a lot of homeowners who “missed out” on historically and absurdly low rates. Paying double on a 6% rate to simulate a 3% rate for instance.


I sort of did that by doing a 15 year fixed as rates were starting to go up. I fell prey to the psychological factor I derided above. I really wanted the first figure in my rate to be a 3. Not a huge deal because it was a small now-rental-property refi and isn’t significant one way or another. But a proper analysis would’ve resulted in a 30year at higher rate.