Obviously there are going be be major changes and challenges in office and retail especially in urban environments.

Costa Rica is a very egalitarian society that hasn't done that well economically and, as a result, it doesn't have a real middle class to speak of and, therefore, you are entirely dependent from international clients, which makes it more risky.

Plus it cash flows and the urban core and A suburbs appreciate really well.

These are URBAN HOMES, SEC8 Homes.

Landlords provide an essential function in society. 

There was no in-between . . . things in the urban core were either not livable or they were beautiful, shiny flips. 

Is your business plan different for urban homes than it is for nicer homes? 

Whenever you are buying a property out of state you should do a few things to ensure it's as smooth as possible.Don't buy in the roughest neighborhood in the urban core.

As Jacob mentioned there are a lot of attractive things about this area (Ijams and the Urban Wilderness, 5mins from downtown, breweries, near UT for gamedays, larger lots, county taxes potentially, etc, etc).

Obviously, blue collar, university, and urban areas attract more renters than others and that does not change no matter where you are in the country.