$23k expected profit on a $520/$530k sale is just too low of a percentage. 

So, they are buying an Option to purchase a percentage of ownership at a later date (25% of the future equity in these deals works out to be a 25 to 30% annual yeild).

After which, they can only raise a specified percentage.

What percentage of the rent would you save to account for vacancy in Eagledale?

A cheap Class C or D property might still require expensive repairs (like replacing the roof or water heater might cost as much as on a B property) so using a percentage of rent for it it might not be wise and reflect reality. 

So from a legal and tax perspective, how does a monthly or annual pay out work?

Funding is almost entirely cash and we’re looking to add a greater percentage of financing.Problem is that traditional mortgage lending is too inefficient.  

Is it possible to find someone who need that kind of work done on a flip property that I can do and after the sale I get a certain percentage off the profits?

What is the down payment percentage normally and are there ways to get the loan with a smaller or no down payment?

I see both of you as very successful in your fields and that goes to reinforce my biased opinion that a higher percentage of those who are really successful are early risers.