It might cause me financial harm as I have to sell more stocks and might pay short term capital gains vs long term capital gains.

i think its the easiest asset class to understand that isn't stocks and a lot of peoples livings depend on marketing how perfect it is

Lending and insurance are based on predictability and without question the frequency and size of losses will continue to eclipse prior records.

I predict that the substantial home price cost savings and greater control they enable the buyer to have will make them grow in popularity.

Say it is invested in a stock portfolio - now it is investment interest expense. 

Think: a coffee station stocked with local beans or a reading nook with plenty of natural light.

This could significantly increase the sale price and net profit after selling.Pros of Selling: Immediate large cash flow that could be reinvested elsewhere (stocks, other real estate).

They are investing for the stock growth/appreciation.  

I am not so scared of the market that I think I can't beat that with real estate OR stocks. 

You might check with your Self-Directed IRA Trust Company/Custodian, they might have a brokerage connection capability where you can setup a brokerage account tied to your IRA, then you can with that brokerage to invest in various public market investments, in some cases stocks, mutual funds, ETF's, treasuries, and CD's.