We were able to get into it with a 5% down primary residence loan.

It's a winning combination of direct access to industry experts coupled with building lasting relationships and get direct feedback on your strategies in small-group format.

For some buyers it would end up being less than a 2.5-3% commish, and for others more.The tricky part for the buyer is it would have to come out of their pocket in addition to the down payment, whereas a commission paid by the seller at closing is included in the purchase price and absorbed into their loan (usually unless paying cash obviously) so the buyer only has to make the down payment out of pocket.

Loan Origination Systems (LOS): What works best for mortgage and private lending?

Furthermore you can vastly increase your returns through leverage using a non-recourse loan but that will definitely trigger UBIT but again the numbers can still make a lot of sense. 

So it's a loan....You just detailed a loan. 

The builders loan couldn't approve us for the amount we need to get, but we had a loan broker find a loan for 10% down DSCR with a 2nd home status instead of investment home.

He is looking at a group of investors like myself to bring 25% of the project value and then procure a bank loan for the remaining 75%.

Or putting 20% down in a conventional loan so you can also avoid PMI. 

It looks like "Good Egg" is simply an Entity that collates funds, and then invests those funds on your behalf with the actual sponsors/general partners that actually purchase the properties, get the loans, manage the properties and distribute the funds.