H there, I'm a certified international property specialist and while i don't personally specialize n Costa Rica,  have several colleagues who do.  

There are many resources for you to connect online and in person.

I have to usually explain that just because the owner made xyz does not the next person will or even care.

Most want experience, coupled with personal/business credit.

I am not sure what type of real estate investing you're considering, but it sounds like, with your family and busy job, you won't have a lot of time to be hands-on or personally involved. 

PreREO I believe was run by the same person who owns AHP (American Home Preservation) - which has a lot of chatter on BP that you can search. 

Personally, I've been in this niche since 2007.

@Dustin Horner you should be contracting maintenance work and creating a preferred list of vendors as @Phillip Austin has recommended.The first person you hire to help you should be to handle what you LEAST like to do yourself or has the greatest time savings for you!

The terms and costs will depend on the property, your personal situation, the location, etc.

I would recommend targeting 30 day minimum rentals (Most associations are 90+), allowing 12+ rentals per year (most allow 1-3), and no in-person screening for tenants required.