Without defining your goals, it will be hard to know which of the option you are considering today will work best for you.Your plan does not need to be complex or in any specific structure.

Also pending your business structure and lending structure would dictate how to move forward. 

What is the best advice for how to structure OA's?

The place was a mess, but structurally in good shape.

You mentioned this was an all cash sale but, might there be a way to re-structure the deal that wouldn't be as capital intensive?

I'm looking for lawyer to consult and help me setup some LLCs to properly structure my assets under.

I have a solid team in place and structure deals to ensure the investor starts with double digit returns that grow annually.

I am wondering the best way to structure this deal.

If you plan on going big, it would really pay off to talk to an attorney up front and get your structure set up straight from the start.  

There is settling on the entire right side of the duplex (he recommended a structural engineer be ordered).Everything else is cosmetic in nature (resurfacing/replacing of tubs, cabinets, trim, etc).