I'm not familiar with your climate.  

But the political climate is something else, especially as it pertains to the relationship between the City and the College.

The commercial side was also difficult to pull value out of because of the perceived volatility of AirBnB and San Diego's current political climate vs.

While books and courses are great, it is impossible for them to cover every possible detail or risk that may come up in a real estate deal, especially given the current market and legislative climates.

This is minimized in controlled climate spaces, but should never be disregarded and the manufactures specs should be followed to preserve warranty.

Warm or cold climate can determine if the vapor barrier is required and where it is located.

What I'm looking for is small restaurant/bar/guesthouse on the sea, somewhere in the world, though tropical climate is a must.

Although I do not agree that the tenant type is the same as D.C. in Bmore ( they have a lot more war zones that are 10x worse and the real estate climate changes from block to block) you can really make the same ROI in terms of % if not more there plus the amount of inventory is amazing but things can screw you quickly if you do not know the area. 

Keeping in mind it does drive up maintenance costs that must be covered by those higher rents.Mandatory in a high end rental in hot climates, welfare tenants can up their daily intake of beers.

News articles on the current political climate concerning STR's.