Sense Financial says that the IRS requires precious metals owned by a solo 401k to be held by a financial institution or US Bank.

Travis I'd be happy to hop on a call sometime and see if there is anything myself and my team could do to help you out on your search here in Jax.

But the IRS says that any amount you purchase less than you sell or any cash you take out is first going to be profit and you would pay tax on that amount but would still defer the rest of the profit in the 1031. 

Not only for the IRS rules on self-dealing but also legal issues of a lien holder (you as the Note holder) reaching out to a borrower when not licensed to do so. 

Pay for an hour of their time and become educated a little bit more on what the IRS wants to see to make the Sub-S work.

I take care of the EIN number with the IRS (IRS.gov) myself. 

The attorney that you would use to defend a case if one is initiated by the IRS.

Skim the IRS instructions for depreciation.Read Rich Dad Poor Dad (if you have not already), while not a true to the book picture of accounting, it is a good way to think about it.Basically you want to know how the cash flow and depreciation flows onto your personal 1040, and what is the best way for an investor to work with a CPA.And knowing a CPA that can assist you in your investment business is better than paying a college to teach you how accounting works. 

But now do everything correctly...first thing is to go to the irs site and read the official instructions...they tell you how to come up with cost basis...and not 100% trust people on the internet for tax advice.

IRS will not recognize below market interest and will impute higher interest income to the Lender.