The property is part of a large condominium and is located on the backside of the building (i.e., it does not have an ocean view).

He didn't ask about building, he asked about managing. 

I run a call center for Real Estate, hit me up and we can chat, we've helped teams build their calling teams and systems.

The interest on barrowed money is somewhere around 10% and I thought he may be able to use that to lend on deals and begin to build up a fund to invest himself. 

Besides the funding for the subdivisions or site developments, we need funding for the builders to take down lots and build.

No answer on the mysterious phone number I had; no answer at the door; junk mail building up on the patio; property was clearly vacant.

This is because they will likely have references to reliable and trustworthy contractors and investor-friendly.

Over the last couple years, everywhere I go by the beach in Mexico (in much nicer places than Tulum), when I'm told the local zoning doesn't allow to build this or that and I ask why, the answer is invariably "We don't want to become another Tulum".

I am currently building a new construction single family home with this land.

Plus, teaming up with a property management company can help find reliable tenants and maximize rental income.