Tenants in medium or worse areas may be less entitled and more appreciative of a good, clean unit and may turnover less. 

Regardless, you must get the place broom clean if you want to hold, flip, or sell.

The couple that we know, have had their basement flooded twice, cleaned it out but have not done anything to prevent it from happening again.  

It's in rough shape, but might be able to be fixed up.Any thoughts or similar experience out there that could weigh in on whether to plow it or clean it up and keep it?

(If not, there are floor-specific reglazing options.)Replace the vanity with a CLEAN-LINED contemporary white cabinet, top, sink, faucet, and hardware. 

Owners not in the hotel program but use Airbnb and similar)The developer is segregating  cleaning from our shared costs, not offering a viable/sanitary alternative (i.e.

He has left and we have had it professionally cleaned, replaced carpeting and painted walls and it's better but still smells stale.

I can give you two weeks if you promise to clean up and call me for the keys, is that OK?

Working with property managers, you can have access to a lot more than just 1 unit; however, they have their own system in place and as a tenant you ultimately need to respect their system.For example, you can't just throw in your own smart locks, hire a vendor to clean the carpet, or your own enhancements, etc.

I am working on cleaning up a landlord list I will be mailing to.