I just received a voice-mail from tenant that she is out of town, her husband is destroying property, police won't evict him since they are married.

Not saying every family on the program will destroy your property, but is the headache of this kind of tenant worth it?

Gutters and soffits, pool cage, polycarbonate window shutters ripped off by wind, metal roll down shutters and garage door damaged, and attached fencing all destroyed. 

What's the risk of running into groups that will destroy the property and if that happens, what would be the solution?

I hear tenants destroy air conditioners down south and destroy heaters up north.

If you want to minimize risk, stop putting yourself in a position where your life might be destroyed: stop renting the illegal apartment.

I used to have super great credit until a disaster of a divorce hit in 2009....had 2 foreclosures as a result, 3 young kids to raise and credit destroyed...  

Keeping everything under one business could lead to disaster if one of those businesses is financially or legally destroyed, which leaves the rest of the company's assets wide open to being litigated.I hope this helped give some insight.

I figure one unit could be completely destroyed and cost maybe $5,000 -$7,000 to gut and put back together.

I was thinking about having them in my rental units I plan on rehabbing but I'm afraid they'll get dirty quick or get destroyed.