Another downside is you loose on the advantages, of the Federal Tax Code, by not closing in the name of a LLC.

Also, the taxable portion on the sale qualifies for favorable capital gain treatment.The current maximum federal income tax rate on long-term capital gains is 20% for taxpayers in the highest ordinary income tax bracket.

If you also have central air conditioning, the furnace installer can plumb the inside air conditioner drain (A-coil drain) and the furnace drain into the same pipe.Sometimes there are federal, state, or local rebates or tax credits for adding insulation. 

It's a sad state for America that there has to be so many different variations of federal money.

Are all expenses ( property taxes, insurance, Federal income taxes, suppliers, etc.) current?  

Another downside is you loose on the advantages, of the Federal Tax Code, by not closing in the name of a LLC.

If the tenant buyer needs a conventional loan, the federal goverment needs the seller of the house to own the house for at least 90 days before it's sold.

At a local level or federal, your residence needs to be a place where you can eat, take care of physical needs, sleep, and keep personal property for your existence as well as a place to be notified by government.  

If the federal reserve can pull that off, what does that look like, and how should my RE portfolio be structured to prepare and hopefully take advantage of it?  

It seems the entity only files the Federal form 5500 or 5500EZ if the value of the solo401k is over 250,000.