The main things are income, credit and criminal background check.

For "Applicants must have suitable criminal history background results determined by property management". 

Canada also has the same travel warning for both countries, recommending travelers "exercise a high degree of caution due to increased criminal activity" in both places. 

The house condition was poor, bad enough need criminal scene cleanup crew.

In my PA market I collect paper rental applications and charge the potential renter what my Apartment Association charges me to run the credit and criminal check. 90% of the time when a tenant likes a place they'll fill out the rental application on the spot and will give me the cash to run the application. 

If he is doing criminal activity at the property ....I.E. doing meth then he can be evicted.

That means she has to pass your rental requirements, criminal background check, 3x salary, > than 600 FICO etc.....

Wholesaling in many states - including mine - is considered the unlicensed practice of real estate and it comes with a whole lot of bad: "Unlicensed practice of real estate is a third-degree felony punishable in criminal court, for each violation, by up to five years in prison and $5,000 in fines."

This would include checking them out online and paying for criminal and background checks.

If HUD becomes aware (which they may after a tenant becomes disgruntled) they will bar you from the program and may even pursue criminal charges.