He could change his mind, get judgments/liens against him and the property, all sorts of other possibilities. 

You don't have to accept a co-signor if you don't want to (unless Ohio has some sort of law requiring it).

Maybe new windows and depending on the amount of damage tenants do all sorts of other costs that would possibly not be required if the home was owner occupied.

Kind of a "I can't argue with him, so I'll insult someone else and try to deflect" sort of strategy...It might work with those you're used to debating with, but...Oh, never mind...

There's no shortage of data, but without some type of methodology to sort and prioritize it, a comparative assessment of multiple markets would be little more than a futile exercise in guesswork.

I consider this sort of real estate business as being like manufacturing.

Congrats.My concern is that the property is currently 75% occupied. what sorts of implications might this impose, is this something you can work around?

Headaches down the road are pre-programmed otherwise.Even if it some sort of condo situation, a condo assoc. with 2 owners will probably always end up in a deadlock.

Sort of like a trampoline effect when you jumped on them (maybe not quite that bad but it was bad enough that you could easily see the ceiling bounce when you were downstairs in the living room and dining room.

They are highly experienced with these sort of transactions.