Is there potential for value-add? 

@Joe S.There are ways to syndicate a deal initially wherein the GP lead sponsor can buy all the investors out a few years into the deal generally thru refinance after the business plan is executed and value increased.

And values are just an opinion at the time of an appraisal means nothing to value .. 

And I am also happy to discuss my experience in the area on valuing small/medium multi-family properties, and running short-term rentals in the Phoenix area.

Do I understand correctly that I can roll over the IRA and non-IRA stocks into a Solo 401k, not the Roth IRA, then use the $ value of these investments to fund R.E. investments, such as down payment for a mortgage, or purchase outright?

Our purchase price was very low $225k and land value about 30% of that.

Alternatively, you can use the fair market value of the home at the time of conversion"Keep in mind, you will probably want to talk to a tax professional to go over all the consequences. 

Having said that, I completely understand the value of having others to help build your business.

Meet and talk with people who invest in real estate nearby, and pick areas that have a lot of people wanting to rent, good schools, easy access to public transport, and a chance for the property's value to go up.

$ and Barter How did you add value to the deal?