Conventional home loans are the closest thing to free money as there is. 

I needed a comp to see what the closest 5 bed, 3 bath .17-.19 Ranch with finished basement was going for.

Tar / patching depends on what is around it and is only a band aid. 

I would use the closest as possible and determine interest by putting it out there.

You've got to give them notice and rip the band-aid.

Find those that are closest to your property and search them month by month to see what their rates are and how booked they are.

The closest to a "home run" I've ever had was probably 9 units seller financed that cash flow like crazy.

The closest I came was on the multi family which held me in a first back up position til closing.   

That way if she doesn't move you can get the Execution rather then starting the court process at that time.One more thought, since this is Chelsea, there are various programs in place that will help tenants with various costs, including moving costs (and first, last security at a new place) You may get a call from Legal Aid as well that they are helping her. 

Here is my list of things that could possibly aid you increasing rents:1.