Essentially my idea would be to sell 1/2 my interest, pay off the existing loan, and be "partners" with this person as long as there is a defined exit strategy. 

The court defined as “where a person intentionally intrudes, physically or otherwise, upon the solitude or seclusion of another or his private affairs or concerns…if the intrusion would be highly offensive to a reasonable person.”

He left behind some personal items and took a few of ours (it was partially furnished). 

I am a Real Estate Agent and investor based in Columbus but I personally grew up in Cleveland. 

In many ways it's personal preference and where you can find a good deal...off-market or creative financing is the best in FL right now, otherwise the numbers don't pencil well. 

As far as I am aware you can rent by the room in phoenix, I am not aware of any unrelated persons ordinances but you can check with your municipality they are usually starting at > 3 people that is what I believe would limit rent by the room.

I am wanting to purchase land and build a small cabin to STR (& personal use) in the North GA Market. 

You need some kind of point person.

If in-person, where are you located?

I would appreciate any advice on the vetting processes you used to help find the right person to start your journey with.