Earlier quoted context omitted.
You don’t actually have to invest at all. Over time inflation makes your payments cheaper and cheaper. By the time you reach the end of your 30 year fixed mortgaged in the year 2052 you’re still paying in 2022 dollars which is probably less than half of what the average mortgage in 2052 is. If you invest on top of that and get some small decent return you come out even more on top.
If you aren’t going to invest your principal in something that will earn a higher interest rate than the loan interest rate on your house, then taking a loan and giving away more money to your bank is not logical or smart. A $300,000 home with a 20% down payment and 80% borrowed at 5.0%* will cost you __$523,813.88__ over the 30 year life of the loan. Logically, cash just sitting in the bank 1% or less in interest sh…
Ignoring income taxes, paying $10k down on a 5% mortgage with 25 years remaining is the same as purchasing a $10k bond at 5% that matures in 25 years.
One downside, is that pre-paying your mortgage doesn't change the cash-flow immediately, it just changes the end date of the mortgage.