The brother in jail is still in touch with the woman and won't the sign the property over if it means his ex is kicked out.

In this instance this woman has been a homeowner (and previously living in a new house) so there are two strikes against her liking being a renter and living in an older place.I do like the suggestion that, if she continues to be a royal pain in a low spot you either consider offering to let her buy your house (if you are interested in selling it) or offering her the "Happy Clause"; however, in doing the latter you'd have to return any unused rent.  

I had a woman almost get ripped off on one of my properties with the copied rental advertisement scam, fortunately, I happened to be there working on some things when I noticed her in the backyard.

I seem to remember an example Robert Kiyosaki gave (back in the early days of these exploratory seminars), was of a woman who used her credit card(s) to get a cash advance of $60K with deferred interest to go to trustee sale and purchase a property. 

Hey BP,I have a duplex under contract which is being sold by an elderly woman who Is living in the larger of two units.

In reality, you really need to put yourself in your fellow man, or woman's shoes, and treat them like you would want to be treated.Here is how I  would approach this.Hi I am monkey.

If one side has a family of 5, and the other side a single woman, then there is a little disparity on what is fair.  

The woman lives alone and is 92 years old .

Divorce was the best thing that could have happened for me financially and now I’m married to a wonderful woman who supports my vision. 

I'm sure there would be a woman with a child that was abused by a husband that would love to get out of there.