Earlier quoted context omitted.
You forgot that the rent is increasing with inflation, but the mortgage is not.
Yes but wages are too , so you keep the delta. And the mortgage payment goes up with interest rates. Which aren’t exactly independent events. It’s not perfect but it’s reasonable. It may free up some other money in the house case , which you could use to make up some of the difference. Or that might get eaten by rates.
US home maintenance seems high though - roof repairs are a known thing for some reason. In he U.K. I live near an estate of thousands of houses all 50 years old, I can’t ever remember seeing one being repaired.