FHA may have allowed you finance up to 96.5% of the loan to start the hack.

This approach will allow you to grow beyond your $80K and truly make strategic moves in the game of real estate.  

You can also consider silencing your phone and only allow known contacts to ring through.

You didn't say anything about whether the lease or local laws actaully allow you to do this. 

He said that he has to go back a number of years to determine any losses that were not allowed for NJ that can be added to basis...He stated that NJ does not allow net losses on rental properties ; however, those losses can get added to NJ basis so he said he has to go back and review all my losses over time.  

From talking to locals, there's a couple of issues than need to be addressed, some are the non-ecological practices that some of those developers have, unfortunately, our government profits from this investors and allows them to destroy manglers (which are the natural water purifying system of that area) dismantling hectares of mangroves and degraded the habitat of resident and migratory species burying animals alive.There's proof of fecal material floating beneath the city of Tulum, only 20% of the water is sent to the water treatment plant, there's no infrastructure for the exponential growth.The landfills in the middle of the jungle that is leaking hazardous pollutants into the freshwater system and that something that developers won't tell you.I love my country and it would be a disaster for everybody if this place ends up like some other great beaches around the world, that are completely ruined by greedy investors not following the rules.There's no urban or comprehensive master plan, and one of the risks is that Tulum will be like Playa del Carmen is today, overgrown and with environmental devastation.I will advise doing a lot of research before getting something in Tulum, different country, different rules, and practices.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

An other alternative is VaultLocks keybox that allows for a temp.

Most cities do not allow "boarding houses" and/or have a "no brothel" law. 

Apply the 70% rule to determine your maximum allowable offer, then negotiate and get the property under contract, ensuring your agreement includes inspection and financing contingencies.Arrange professional inspections to uncover any unforeseen issues, using these findings to negotiate concessions or confirm your repair budget.