From my understanding of the new laws, Dodd Frank & Safe Act, you don't want to structure any deals that include any type of credit.

Has anyone creatively come up with a way to acquire an already leased out small multi-family to be able to structure it as an OO?

Once you identify what the potential exit strategy is structure terms that will solve the seller's problems but would be attractive to your end buyer. 

Most times people want to know the basic structure anyhow, so this should be a natural step in your process. 

I guess I say all that to say that it depends on what you want and how you want to structure it.

After two years we would have 23x$2000 = 46k and after 3 years, 35x$2000 = 70k.Is there any way to structure a lease purchase agreement so that we can approach lenders in 24 months and get a 620k mortgage for a 690k home with a 70k down payment (10%).

Over the weekend, I thought of a deal structure where I would pay the owner's asking price.

That is enough to scare most people away.I had a structural engineer come out and tell me how bad he thought the foundation was.  

We are trying to find a way to creatively finance a rehab and resell deal.What we’re thinking would be structured like this:Elderly mother currently owns the property outright.

We set up our investment structure as shares of the portfolio, so if someone wants to get out, we need to get an estimate of current market value of the entire portfolio.