I bought this property with a private interest free loan from a friend. the person i bought it from need cash fast so i offered them a low cash offer and they accepted.I had enough money saved up to rehab the house with my savings.

In this case, you would draft an operating agreement that specifies each partner's role—your friend providing the cash and you handling the rehab and management—and that profits and ownership are split evenly.

Just straight information and super friendly atmosphere.

I would say however that if you are looking to buy rentals then the landlord tenant laws are not landlord friendly. 

The STR owners have banded together and are meeting with the town as a group, and it looks like the town will adopt some STR rules allowing and setting guidelines for STRs. 

My current flip was bought from a wholesaler in a partnership with a builder friend of ours who has his own salaried framers, roofers, plumbers and electricians.  

I sent a friend down there to look at various listings.

There's actually a huge oversupply of properties in Tulum and none of my friends who own property there make anything close to that!

I think one of the biggest analysis paralysis thoughts is on landlord- or tenant-friendly areas.

Then you own the LLC and can transfer the property into it.If you transfer the property into that LLC the way it is then technically you just gave your friend ownership of the house proportional to his ownership of the LLC.I'm not an attorney, so take that with a grain of salt.