I think not being in sites like this has caused me to lose my edge. 

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?

It is usually a tenant moving to a new area, because of a new job and they just want to be done with their trailer.I have had the disgruntled situation come up when I stopped using the on-site maintenance man and made him pay full lot rent like every one else.  

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.

I would make a site visit to where they live now and see how they treat the current property.

HUD publishes the Median Fair Market Rent on their web site for the entire country.

We will also allow a seller or buyer that already has an agent to connect with users that are using our site as their "agent".