You can make your rules to eliminate whom ever you want, including section 8, but carefully draft your rules.

A lot of errors and mistakes along the way.Start small and Make Your Big Mistakes Early.If you can answer A, B, C above, the above group can get you into a 12% return. 

On the one hand, the country badly needs mass tourism to get out of poverty but, on the other hand, a large influx of tourists would eliminate one of the main reasons why tourists like to visit Costa Rica.

Always verify any information that could cost you money down the road, even when you trust the people as they can miss things and make mistakes.

In fact, as of now, I'm pretty sure alcohol isn't allowed at all on the beaches during the month of March to help minimize/eliminate the threat of underage drinking and decision-making. https://www.cnn.com/2015/04/15...

I get the feeling you don't fully understand tax law, which means you run the mistake of over or under claiming expenses.As others mentioned, cost segregation is only for properties you own, but I don't think it makes sense for an owner occupied STR.For the property you own, you will need to setup basis for depreciation.

And I'm not selling you anything.Start small and Make Your Big Mistakes Early.

Otherwise, it's just a free deal analysis for people to take a look at and point out any mistakes I may have made.I’ll (try to) be posting every weekday!

My rent is $750 because of a mistake from my property management for a  16 months lease.

And someone jumping into this as a complete newbie can expect that they have a decent chance of making some expensive newbie mistakes.