I don't think that your idea is bad on its face and destined to flop, although I do think it is risky given your lack of exit options and timeline.

I've been researching the Colombian coast and believe there may be potential to create a destination similar to Tulum, Mexico that would attract international tourists.

Hard to find better appreciation rates than in historically hot tourism destinations.

U-Haul published an article that the third year in a row that the #1 destination for one way moves is Texas.

Buyers were able to secure properties in their desired destinations of Manzanita, Arch Cape and Yachats Oregon. 

You select your end, what the ultimate destination is.

Cruise liner vs battle ship?

As a general rule, it seems that places that were vacation destinations before OTAs are better represented on VRBO, while mid- and large-cities tend to have more options on AirBnb.

“Drive to vacation destinations are recession proof”.  

I get the travel insurance though when we cruise and those are usually 20k plus trips I always get trip insurance and medical.. but like for this Montana 3 night next week its 600.00 bucks so if I dont go big deal..