His comment on costs was $4k-$6k but I have no idea what that includes and I think it was a guess having no foreclosure experience in AL.Do you have any good web sites I can read about the process or anything else not immediately obvious?

Start visiting building sites so you can meet the trades and see finishouts in different price ranges. 

Most of my guests will go in and tell the restaurants /shops that they are staying with my glamping site for 10%.

I did find a couple of investor friendly insurer options on this site so hopefully that bears a couple good options.

We Specialize in Conversions and Ground up Builds with fully Prefabricated Off Site Construction How did you find this deal and how did you negotiate it?

I would not approach it from the standpoint of I want to build container homes and then look for a site, I would have a site and think about what the best use of it would be and if it happened to be container homes then go for it.As John mentioned above appealing to the masses is the route to success here IMHO

Does anyone know of a reliable site or resource to check zoning laws for Airbnbs or STRs in general?

Think of it like a dating site in that its purpose is to just bring the interested parties together, but if love is to bloom, it will take some work.

It provides links to each county office's sites for when you're doing research. 

Applicant is ok to show me in person his account information on his laptop, but doesn’t want to put his user name and passwords to those sites into RentRedi application.