There are already tons of companies that have this same business structure.

I have been trying to discover a meaningful method to read the areas social structure, economics, etc. 

When it comes to the profit structure for a syndication consisting of a sponsor, general partner, and limited partners, typical splits are 30/70 SP/LP and then increasing the sponsor's split under a waterfall. 

Project 80% complete, migrating out of hard money into permanent debt structure, seeking non-recourse loan to fund the final leg of work and repay HML in one go.

With this structure, I will increase my cash flow in the beginning and have a total payoff time of 11 years and 10 months.

You can get a HELOC for half that rate.You wrote "...tap into my home's equity without taking on the burden of direct debt," but of course you still have debt, it's just under a different name/structure. 

Im looking for a great contractor who can work with structural additions.

I'm currently shifting some of my assets into small single family homes in a part of the country where real estate is still pretty cheap. Each house will have roughly 25k in equity. My concern is that it's a huge hass...

I believe in the project and the people, but I don't know how to structure the deal. 

But if you ask me what is the most important to have when acquiring multiple rental properties with multiple tenants, I would say that the number one priority is having a very strong insurance policy structure as your first line of defense for any unexpected/extraordinary events.