My 2 main doubts are the rental prices and the crimes that have occurred around the area (wandering around on reddit posts and past news articles). 

We review with each new tenant what a true 'emergency' is (fire, pouring water, etc) is and what to do if such a thing occurs in the middle of the night.

It stated I would have received a notice if any wrongdoing occurred and would have 3 days to correct it.

@Nimit A. if a PM allowed $60k of damage to occur at one of my properties, I'd file a lawsuit on principle alone. 

When humans get together and embark on activities there is no predicting what strange messes will occur!

This could occur if you are outbid or if a serious issue is identified during the due diligence process, making it not worthwhile to complete the purchase.Our ProcessOur goal is to put replacement properties under contract immediately after all contingencies are complete on the relinquished property.

First, I am planning to refinance the portfolio when the rates go down (whenever and if that occurs), so I'll probably not be realizing much of the principal reduction value as opposed to if I kept the loan for the full term.

I appreciate you not sugar coating your replies, It wouldn't have ever occurred to me to start my own group. 

Take it out of their security deposit for all of the repairs.See if you can get a written statement (if you haven't already) from the plumber of exactly what occurred and that the window was left open by the tenants.

You might want to consider potential issues with the lender if rezoning occurs post-closing.