Eventually, a tenant will take that as reason to fix things poorly themselves or to let issues fester causing more damage either way.

Want to donate to a cause they don't like?

.), depreciation of the home usually about 2.5% per year (modified by any updating done), and an increase in interest rates (may cause seller to have to contribute to buyer closing costs in some price ranges) will lead to a 10% loss on total cost - which with having purchased with a 80% loan means loss of half the invested cash down payment. 

If that vendor had caused damage or been injured on the property, we would have been exposed.

But maybe that possibility just causes them to cave. 

But I think the your point on this causing a business loss is what's going to be my biggest huddle.

At times it is painful to tell a tenant they are facing eviction but emotion will cause you more problems than you can imagine.

Some carriers will cover over flow on the standard policy but you will need to add sewer and drain back up as an a-la-carte coverage.Example: Backed up clogged toilet = over flowA high water event in the city causing the drains to back up into your basement = reverse flowConfusing?

You will just get cheaper guests who make more noise and cause problems.

The house needs a new roof, and the leaks have caused water, and mold damage.