 And the big one is that you could miss out on higher returns from investing. If your mortgage is three and a half percent and you earn six or 7% or 8% or 10% with money that you're not paying extra onto your home, it's simple math. You end up with way more money, which is why at the beginning I said, if you're a bad investor, you don't invest. Maybe this isn't a good idea, but if you're someone who believes you can earn