And here in Chicago I always check my favorite local homicide tracker whose name violates usage restrictions.Is there other favorite metrics out there that I am missing? 

I also received a letter from the county saying that my property is in violation of several health and safety codes. 

The owner can designate a host who shall be responsible, and authorized, to act on the owner's behalf to promptly remedy any violation of these standards or the permit.

Sometimes when placing an offer --  the POS is not yet available - and when you place an offer you can make your offer contingent upon approval of these items... although in order to have a competitive offer in this seller's market you are basically forced to "assume" the pos violations once they become available (usually 2-3 weeks after it's been ordered) -- you should be able to tell if anything more serious might come up on the POS via your own personal inspection. 

ONe its not guaranteed your renters can and do get kicked off the system for violating the policies.

This can lead to "renegotiation" demands at the closing:(Other Potential Issues to Consider:Being in the chain of title is also exposure to potential legal issues.Selling an assignment may be a violation of a state's real estate statutes.Wholesaling w/o a real estate broker's license may violate your state's statutes.I'm sure there are more...

In fact I have a no PITA policy, which means if you violate it you are probably getting a rent increase at next renewal opportunity, which might be next month if you are on M2M.

Make sure it explicitly explains the process for termination if you are unhappy with their services, especially if they violate the terms of your agreement.3.

That could be a violation of TRID. 

If you see someone violating the rules, create a post with "@moderators" and we will receive a notification and respond.Again, welcome to BiggerPockets and happy investing!