I was aware of what you outlined and that there was guidance after it that clarified the interpretation, but I wanted to be sure nothing changed after 2019.https://www.biggerpockets.com/... 

This one was outlined as a 90 day restriction only.

The cost of which likely far exceeds the cost of insurance.If you are determined to move forward as you outlined, you form the "manager LLC" first, and then the subsidiaries.

However, any financing using these accounts must implemented within the guidelines outlined by the tax code.The primary compliance concept to be aware of are prohibited transactions, which restrict tax-advantaged retirement accounts from transacting with the account-owners and other "disqualified persons." 

We generally shy away from condos because of the reasons that Rich Dad Poor Dad outline with limited ability to increase their value.Mike

We create a promissory note outlining the terms of the loan.

If you do rent it out with your brother, write out an agreement beforehand outlining exactly who is responsible for doing what - who answers the tenants' calls about the broken toilet, who makes repairs or finds a repairman, who collects rent, etc.

It will also outline his requirements to give notice.

The numbers you outlined in the 2nd breakdown look on point to me. 

Again, I am not an attorney.I also stated that we both agree that senario #1 you outlined is fraud and senario #2 is not.