Problem solved at that point.Regarding the owner -- the key is going to be tracking the probate flow of the process. 

It might cost you more, but they should be skilled with solving these headaches. 

I try not to solve problems before they happen, so unless you've had customers complain about not finding their supplies, I wouldn't try to solve this problem by putting it all in plain view, I'd simply distribute it throughout the house like it should be ( as you mentioned, everything in its useable location )But hey, if it saves you time to put it one location, why not.

I'm very fond of sponsor-centric projects and alignment around solving actual problems instead of optimizing for early exits, but I recognize those who have amassed a lot of wealth thinking about the world in a different fashion and demanding that founders move to their back yard. 

However, without the proper inspection, I feel I just can’t really project my numbers as I have no clue what to expect (having surprises down the line like replacing all the plumbing, electric, termites, mold, etc).

If you can solve their problem you are going to win the deal.

Here is how I solved it (hopefully, this will work for you, too): Start with a standard height hollow core door.

The goal of any marketing campaign is to catch someone at the right time who has a challenge or want that is solved by the solution you are offering. 

All of the other issues you mentioned can be solved by lease clauses. 

That doesn't make it right and they should pay for what they use, but keep that in mind before spending a large sum of money to solve a small dollar problem.An easy option might be to disconnect the ground wire from that specific outlet for a period of time.