Far less risk.

Seems to me like the risk is getting smaller each year, meanwhile the upside is growing. 

If you want to make money instead of targeting a tiny flakey market that is high risk invest instead in a Mobile Home Community. 

There will always be some risk involved. 3.

And some prohibit travel trailers/RV in certain zoning, that's what causes people to store their RV at min-storage places.There is a lot of publicity for Tiny Houses with various TV shows on several channels, but municipal zoning often lacks the latest fad.

I'm not sure if there is such a deal structure or even the risks involved if engineered,  but the idea would be that the title doesn't really transfer / and a final balloon payment isn't made until after the property actually transfers to the children.   

There are several lenders who lend in the USVI and Puerto Rico.

When considering these options, think about your financial goals, risk tolerance, and the need for liquidity.

I work with several clients that will use them and they do price well. 

Some people have made a very high appreciation in R15 and R8, some higher than the privately planned masterplans like Aldea Zama, Selvazama, and Tulum 101, It depends on the investor some prefer buying at a higher price per sqft with all the infrastructure already in place and some will try to get a better deal and wait for the infrastructure to arrive, it all depends on your risk tolerance and your goals, needs and wants.