Honestly investor friendly anything is like the RE version of "organic" [insert food product]. 

They look for basic health and safety issues, and the Section 8 office has a phamphlet with their requirements. 

Hi Paul,Charlotte is considered a good market for house hacking due to its demographics, safety, and quality of life.

Just food for thoughtTry to locate a copy of the lease or a bank statement with her deposit on it as others have mentioned.Best of luck.

There are many buildings with systems reaching the end of their life - Galvanized hot water risers, leaking vent stacks, aging window systems, outdated elevator and fire safety equipment.

Could look at Food Truck rental spots. 

The tenant threatens to get lawyers, my concern is their safety, but I can’t get any justification to make improvements to the property for security.

When I'm not listening to podcasts or doing something business related, I am usually outside, dancing, or learning how to make some tasty new food! 

@Rob Ibarra No matter where you look, start with the zoning and make sure you can have a food oriented business at the property. 

I don't know Orange County too well to answer your questions, so will just add a few other tidbits as food for thought.