I'm likely going to make an offer on a duplex, but am trying to figure out how to structure the offer for an owner carry contract.

If it gets caught they try to bribe or pay penalties which are peanuts n get structures authorized.

So this would be more of an equity-type structure, which is generally going to be more expensive than debt, or a typical private money lender.My question to everyone is how do I set it up so its a good deal for both of us?

Have you consulted with an architect and/or structural engineer?

The only occasions I used a GC were for structural problems. 

You would be able to decide the market rent, choose the tenant, and execute the lease agreement (depending on the specifics of the retirement structure).

They cannot do anything structural, nor any electrical or plumbing.

As someone who is merely beginning their journey in the world of real estate, I am curious, for someone who has experience, what do you believe are the foundations of a great partnership, and what is the best way to structure them? 

What's the commission structure? 

Here's a great article that addresses this from @Kim Lisa TaylorThe main benefit that I've seen folks go for by using LLCs to invest passively is the additional layer of privacy that doing so can offer, if properly structured.