The property is a great deal so I'm hoping to refi down the road in the event interest rates come down to a reasonable value, then maybe repay most of the personal loan at that time.

As I said, I think it can make sense to buy and hold real estate personally AND inside retirement accounts. 

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. 

Or you could buy a property from another person at the meetup.

Looking for advice.  I am looking to invest in PA.  However, getting loans under LLC is very hard in PA.  As a result, seeking option to purchase the property with 20% down with a FHA loan.  Getting the mortgage under...

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

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.

How much does a Quiet Title action cost for these situations?

I would personally use the money for exterior repairs and see what they say/do.

If in-person, where are you located?