These are important indicators of the current and future economic health of a market.

Her adult kids in the adjoining unit left her in very poor health to take care of their several large dogs etc & left with their own kids for a 2 month vacation.

I would not be able to pay the water bill if the rent is not paid.Then the board of health will remove them with a "48 hour strict notice".If you don't receive rent, than you can't pay the water bill.Done this several times, it works!

Does this actually happen in practice or does it just scare off buyers to the point where I'd likely find myself paying off the loan in order to sell the home anyway?

Getting the word out that you are an interested party may prompt someone who has been scared to sell or list to give you a call.

The tank was increased from 1300 - 1500 gallons, and it was inspected and got a clean bill of health.

@Theresa Harris I have 2 duplexes 1 vacation condo(just purchased) and 1 sfh I’m kinda scared to pick up anymore until I pay down some of these.

This is good advice. then again... scared money etc etc. merry christmas :)

If they actually broke the door that will hopefully scare them.

If they are on income assistance, call the organization they have assistance with and get info from them too.Tenants are scared you'll kick them out, so if you aren't planning on it, make that clear to them if you buy it.