Depends on the condition of the home. Make sure you get a good inspection before buying and understand the ramifications of anything they find if you go ahead with a purchase. Things that eventually need to be replaced, likely in the lifetime you’ll own it, are the water heater, refrigerator (assuming it is cheaper than replacing the compressor), HVAC and roof. Not terrible but you have to budget for it. Since you say you live in a “fixer upper” I’d say just keep it so it doesn’t leak. Don’t worry about ants as long as you keep all of your food sealed up and they aren’t carpenter ants. If they are then you need an exterminator.

You WILL find the occasional bug, odd noise, scheduled repairs and replacements, etc. These aren’t causes for panic. I can do most basic repairs but I leave plumbing and bigger electrical jobs to pros because they require specific skills, familiarity with the issues and lots of tools I wouldn’t need again. Yard maintenance is just work. I call it my “gym” lol.

My mortgage payments will go down over time unlike rent that just goes up. On the downside my property taxes and insurance costs have gone up as the value of my home has gone up. I have great neighbors also.