My main focus is long-term rentals, section 8 rentals to be more specific.

Not every lot will allow you to STR even though sevier county and the city propers do have specific zoning that allows it so you don't have to worry about them ever rescinding that right. 

Rent control laws are market specific.

I would also ask about your area specifically about how it is covered.

He had specifically said he’s okay with the north fencing and knows its to keep the homeless campers out, and who the police are very slow to remove.

No, more specifically deals found through networking with local real estate professionals, finding pocket listings, direct mail, etc.

Raising rent by a specific percentage isn't a very accurate way of handling this.

The exact amount that you qualify for is a specific number. 

PMLs exist, there's zillions of them, real estate investors work with them every day and PMLs fill a need and have a role to play as a specific tools for a specific situation.See if you can put a sharper point on your question.Mike Thanks for this Mike! 

I know this was general, but I hope it helps...I'm always around if you have more specific questions.