They do not know what they are doing so cut them loose. 

I use the term, portfolio, loosely.

IMO buyer gets the better end of the deal but the seller doesn't loose. 2 million dollar note on a 300k property thats what the seller gets.

@James HughesFirst of all do not use a quit claim deed as you may loose title insurance, use a warranty or special warranty deed instead.Second, you could deed the property to a land trust where you are the beneficiary.

You as well as your landlord are bound by the contract so he should sign it too.

At first, we thought the issue might be coming from the loose toilet and so a plumber came out to diagnose the situation.

If you agreed to the extensions (in writing) and the deal is subject to financing, then sorry, if buyer cannot finance as per contract, I don't see you getting any claim on the dp.IMHO, if your gut is telling you this dog can't hunt, turn it loose. 

Texas has very little government land(s) compared to the other states and we have to keep it  in agricultural use or get hit with property taxes (we loose this exemption we get otherwise) .

(Thank you @Justin Frank, @George Fitz, & @Paul Moore.)Yes, there are lots of resources out there - from researching sites & organizations like Inside Self Storage, both the national & your state Self Storage Association, plus other queries of the internet - you'e bound to find a lot of information. 

Obviously, this goes outside the bounds of strict real estate investing, but you may need to do that to be successful way out in the country.