While as humans we want to give her benefit of the doubt, it sounds like there is a lot of tangible events that constantly went wrong. 

I was wondering how many condo investors measure HOA health?

Cats are a serious Health risk Wash your hands when around them. 

Through ypur pm Humanly get her to leave and reason with her this can’t continue on .

I would make sure you get all the documentation from the town that it was certified with a good bill of health.

This is Allegheny County, If you know the county court and county property records-keeping systems, you can crawl so far up into people's private business using the online records system that you're ashamed of how much you know about them.Our tenants also typically come from the health-care industry, our area's largest employer.

Unfortunately, his father’s health deteriorated and instead moved into an assisted living facility.

I thought by showing them that we clearly were not trying to gouge them that they would be decent humans and just own it. 

@Sam OjoSam, Assuming there is an HOA, be sure to consider the health of the balance sheet.

I think his methodology is as much human nature as it is financial.