Course of prior conduct may be used to determine what constituted acceptable quality.

Get excavator and a surveyor on speed dial. 10.

Better to have your own property manager use trusted handymen to take care of the issues for long term/quality fixes. 

Speeding up the pickup and drop is helpful in cutting down on time, however the Architect (and their office) are the ones to make the actual drawing changes.

Also, most condos in Tulum are aesthetically pleasing anyway so I wouldn't pay a huge premium for the aesthetics.The high speed Mayan Train is under construction and hasn't been canceled.

What is the best way to find good general contractors (reasonably priced, delivers on time, committed to quality) ?

I can refute your reputation, I can refute you who you fundraise from, I cannot refute a truly quality deal.

You're correct that applying 4 extra payments of $3000 with the HELOC will rapidly speed up the payoff.

I MOVE AT THE SPEED OF LIGHT AND PEOPLE ARE MORE LAID BACK IN OHIO.

There are plenty of investors out there already looking for quality management, just be that.