I do not want her ever contacting me again but I do not know how to proceed with that without doing something wrong, but I also fear that she will try some type of retaliation against me, my family, or my property, or maybe even try intervening with my new tenant.

Is there a mom in the picture that can help intervene? 

This could be mortgage fraud since your offer ( for a higher amount) was executed prior to a third-party intervening. 2.

The problem is various cities are intervening with new codes restricting what is know as Short Term Rentals(str). 

You need to file a motion to intervene into the case, among other things, to make this happen.  

I truly agree there isn't a one size fits all but one thing is certain: if a common practice often results in harm to the general public, sooner or later the states will need to intervene and try to find a solution.

If they haven't already, maybe their parents could try to intervene on their kid's behalf.

We are committed to assuring the same documentation standards when it comes to listing with a full collateral package (Note, Mortgage, Intervening Assignment chain, Allonges/Endorsements, BPO, Title Report, and a 3rd party servicing payment history prior to listing). 

Once you know the value of intervening period (1 year or, even 2-years), you can compare the two properties side-by-side from that point forward and you will quickly see which property performs best in both absolute and relative terms.

It seems like there should be other intervening instruments attached to this Subject Property.