@Craig Holland Land is often sold with owner financing, in part because buyers have a hard time financing it, and in part because buyers often only need a short time before they can build on the land and refinance out of the seller loan. 

.- Can't see a Senior-Only complex allowing Short-Term-Rentals (STR).If so, SELL.2) What is the history of Association Fee increases and how well capitalized is the Association for future repairs?

A short term CD or something like that.

I will be getting rid of her shortly.

Long story short, he couldn't see anything wrong, but said he would have a lot better idea if he could camera the line during the next clog before it is cleared.

No...there are many reasons why installing it over the carpet will prove to be a nightmare in a relatively short period. 

No if potential buyer have given you emd than you are under the assumption this is a serious buyer and will close on the deal but he has only a certain amount of time with his inspection period so if he backs out you still have time to fund another buyer. 

An easier route would be to convince him to go in on the short term rental together in a partnership. 

We drafted a short-term “use agreement” giving her a couple of months to find a new spot for her outdoor furniture and tools.

@Aristotle KumpisI think the short answer is... very difficult.As @Chris Seveney said, is it possible?