My partner and I bought a house in 2016 that was built in the mid-1960s and hadn’t been updated much since then. The entire plumbing system (main and sewer) is cast iron, and it’s been causing us problems since we’ve moved in, including: a leak under slab ($3k fix) and many unclogs (about 99-350 a pop). Estimates we’ve gotten to replace the the plumbing all fall around 18k for the main line (our house is slab) and 24k for the main line and sewer line to the city. I would imagine we’ve spent around 5-6k on plumbing since we’ve moved in, including getting a new cleanout installed. We usually get the drains unclogged every 2-3 months.
My partner and I don’t agree on whether or not we should fix the plumbing. Neither of us live in the house: I moved for school, and we rent to friends. (I don’t really intend on moving back, but it’s a possibility.) We refinanced last year, and decided this year we aren’t selling right now, but we don’t have any clue of when we might sell (I want to sell, he doesn’t). We can technically afford a plumbing re-do, but it would eat into a lot of our savings.
I guess my question is: Is it worth it to redo the plumbing if we sell, say, next year? In five years? Does a plumbing job increase a home’s value, and do y’all have any general advice for how to calculate whether or not something like this is worth it?