Airbnb might be a good backup plan if you can find permanent financing.

Either from a temporary (2-1 or 3-2-1 buy-downs) or a permanent rate buy-down.

The difference I can see with a rv park vs the tiny homes is a rv parks income is based on temporary lot rentals while a tiny home is permanent, if you talked about a tiny home that is mobile, it is virtually a glorified trailer.I don't think either make a dramatic impact on real estate, if anything air BnB in a neighborhood may hurt the areas pricing due to people who want do not want new occupants ever couple of days.

Meaning it no longer has a title and is on a permanent foundation.How much land?  

2) what happens after the tenants starts leasing and construction loan becomes permanent loan?

“Unfortunately, Governor’s Scott veto of HB 653, which would have permanently extended the Act, and the Florida legislature’s imposition of strict conflict of interest laws will make it more difficult for distressed condominiums find the same relief moving forward”.

Push the issue...you deserve this to be remedied quickly and permanently. 

This means that your permanent residence is excluded.

You can buy the rate down a lot more with that option, than you could with a permanent rate buy down.The ultimate goal would be do reduce your interest rate enough for the first 18-24 months and then refinance once rates come down (because they will).  

As death is a certainty, it will pay back eventually.Also do not confuse permanent life insurances minimally funded (maximum death benefit for minimum premium) with maximum overfunded permanent life insurances (maximum premium to MEC limit, for minimum death benefit) that are used for cash value.