I recommend sticking to one.

Which one is more appealing - continuing to own the house or the security of that much cash/liquidity?

When they sign the lease, it is one of the five key points highlighted on the first page that they have to initial.

Hello Friends,I own a 1982-built ground-level condo (one unit above, one below).

Do you know any good ones in the Phoenix area? 

Ex, can't get one through Chase bank here, but went to our local Credit Union.

He then had a mentor that taught him one-on-one to invest in real estate.

@Brittney Yang first red flag is it doesn’t sound like he’s that interested in long term holds but the primary reason for partnership is expertise in renovation and secondary reason is balance sheet and income to help get financing.Regarding reason one, I would offer to compensate him for his time in assisting you and have a very clear scope of what that responsibility is.  

I have filed for eviction on one tenant that I have placed in my career, and I was able to negotiate him out long before the court date. 99% of the time, eviction should not be a driver for whether you invest. 

In fact I had one done that size over the summer from some real slobs who moved out, and it required an inordinate amount of deep cleaning including almost one full day just on the filth of the kitchen floors, and it was $400.