In one instance, Huizar accepted $600,000 cash in a paper bag from a developer (that Huizar used to settle a sexual harassment lawsuit against him in 2014).

However, using a self-directed individual retirement account (SDIRA) or an e-QRP (enhanced qualified retirement plan) for real estate investments comes with certain complexities and considerations.

This can also be enhanced by rehabbing the property to get market rents.Regarding 1., I think this is a great place to start.

Equity and Risk Management: How might this structure enhance equity in the project and protect all parties involved?

Responding with, in essence, "Yeah well these allegedly rich guys I pay to talk to me say nah, bro" does not enhance your position.

And up to the newer more enhanced codes to boot.

.* If you get to the point where you want to purchase a larger apartment or commercial property and need more cash for the down payment (or enhanced credit support), then partner(s) can enable you to obtain bank financing and purchase a much larger asset.

I know that's with an "enhanced" adjustment for cap-ex but it still (in real dollars) doesn't put you too far ahead.  

You've come to the right place to enhance your business. 

I conduct a few flips a year as well.Glad to see your using your skills to enhance your net worth and income.