Stay the F away. Owned 2 duplexes, section 8. PITA doesn't begin to describe it.
Tenant, "My toilet be backing up."
Me, "Have you or your kids put anything in them that you shouldn't?"
Tenant, "No. 'Course not."
Several hours of my time, snake the toilet, pull it up, "Oh, lookie. The flange is broken.", fix broken flange, looks to be doing fine and found nothing.
Hour later: "My toilet be backing up."
Me, "Hold it til I can get the plumper out there."
Plumber (my bro), "You know you really should tell your tenant not to put feminine hygiene products down the toilet. Clogs up the diffuser on the septic tank."
Tampons ruined my Saturday and cost me a service call. They have ruined Saturdays before but never quite like this.