cook lots of greasy ass food and drain that oil straight down the sink. toss condoms, paper towels, hell, ANYTHING, down the toilet, since it's basically a trash dispenser, right?
once you're done having the cats pee their way through the foundation (cat urine DESTROYS houses) and destroying the plumbing, steal some copper on your way out with some friends.
oh, and this is a pre-war establishment where everything is absolutely not up to code.
It was disgusting. Glass and other obstructions flushed down the pipes, literal feces on the walls, holes everywhere, missing parts of the ceiling, fixtures ripped out, etc.
Move-in process was essentially move all our stuff to a storage area, continue renting until we'd made the place no longer a biohazard, then we moved in slowly as we fixed up rooms.
But hey, a few hours of work a day for a year essentially saved a year of a FAANG salary on the place.