Do you have dead equity.Your HOAs fees are a concern since they can rise plus there is always the threat of special assessments.You should do the BP assessment to evaluate the potential in your property as a rental.

Sure, there are a lot of outsider hacks, but there are far more insider hacks.http://www.visualcapitalist.com/cybersecurity-threat-insiders-outsiders/

Water and sewer tend to scare me because of the threat of a running toilet, or a tennat washing cars, etc.  

None.Well the original plan was to file eviction just to make sure that she goes when she says she was going but attorney says I won't get a judgement before she is due to be out, which is true.If a tenant is intent on leaving in 3 weeks and is saying keep my security deposit, I'm not planning on paying anything else, the only leverage you have is the threat of a civil suit but if she's leaves with no forwarding address where are you going to serve that.So the question is whether there is better idea than filing the civil suit before she leaves so that it can be served on her current address and whether that is a good idea in the first place.

Threated to pull your property out of the welfare system and see if that helps.

An offer which contains the cash purchase price, closing date and a place to get credible information on who the buyer/investor is and why the transaction will get completed as outlined.Postcards, colored letters, trickery, threats, false notices of foreclosure, dollar bills, and letters of interest are a waste of money and time and will not yield the results you seek.

As long as your family member can articulate to a judge why these people are a threat to their safety the judge will probably grant it.

I doubt they will win this case, but I'm looking at over a 150k threat.

I am concerned he is walking into a mistake, what are some of the threats or dangers he should be aware of when considering this option?

I would let her go just because of the threat.