The neighbor who is living there has developed a pretty bad mental health issue and has become very erratic and displaying violent behavior even threatening to kill me and my tenant.

So if you have need for a liquid emergency fund for your health, I don’t think you should play with that portion by buying properties. 

Should we bother trying to wrestle with Trendmaker or HVAC company, who has since rebranded, for compensation (all of this did lead to significant health issues which is another story entirely as well) Question #2...

Contamination is where it can get a bit pricey, when the contamination remediation is said to be complete make sure that the property gets a clean bill of health from the state.

That is where I draw my take on Sell/Rent my biggest fear is the "What if Factor" - drop in tourism, association comes under litigation, hurricane (This season looks like it will be "Very" busy), Sickness or health issues or other.

As Joel notes, it is a great way to monitor tenant health and be prepared for failing tenants ahead of them stopping to pay.

A chapt 7 takes about 3 mos and you are back on your way to health.

The old trailer on our lot was full of mold which wasn't helping my health any.

@Matthew Gentile  one main factor to remember Income is critical in this business to obtain financing of any magnitude and a stable well paying W 2 allows you to obtain debt for your RE purchases plus if you have health bene's etc that's critical as your family grows.

The kind of thing you only really see in America today in families with trauma and mental-health issues, traditionally where the pop refuses to get help and the mom refuses to stop enabling him.