This is anecdotal, as I haven't done this myself (yet), but that's what I've seen.What sources are you using to find your potential tenants?  

I was wondering if anyone in my area had any deals in progress, and would be looking to potentially collaborate in some way? 

That leaves me to private lenders and the mortgage broker that approach the few that he knew in the Island were interested in doing a loan not a Line of Credit and Biggerpockets is not big in Puerto Rico although that's a potential market. 

Now that I see the potential that this type of business can have for wealth building, I need to educate myself to take the best next steps.

Then you could potentially try to identify land and essentially wholesale it to the McD team once you have the land tied up.

EDUCATE YOURSELF - yes, it will take time, but will lead to a selection that better meets your expectations & avoids potentially costly surprises!

Appraisals are done by professionals that perform a thorough analysis including location considerations, zoning, comparable sales, and any potential restrictions on development.

As someone talking to potential STR investors in Colorado, the most interesting point in that report to me is that new listings were the lowest in more than two years.  

Charles for potential appreciation, as well as the Webster Groves/Maplewood/Brentwood/Richmond Heights area, but it seems like the ratio of price to potential rent for house hacking just doesn't work as well as South City.

The sill should be one solid piece as tiled sills present a potential leak point at each of the grout joints.