I materially participate in one, and nearly completely hands off the other to a property management company.

That was limited to properties with federally backed mortgages or properties that participate in federal programs.

I am currently participating in the first 90 day BP rookie boot camp run by Ashley Kehr.

There is a tenant on the 2nd floor that participates in a social services program which covers a large portion of their rent.

checkout the webinars and participate in the forums and you’ll learn all you need to know to get started. 

"Special Allowance for Rental Real Estate ActivitiesActive participation.

Who would like to participate?

Also, most 401k plans come with the ability for participants to borrow from their account very easily at very-low interest rates.

@Helen Zhang, their explanation is pretty clear: it does not apply to your situation:Social Security Integration (permitted disparity) is designed for multi-participant plans and is not generally appropriate for a Self-Employed 401(k) Retirement Plan, self-employed individuals, or owner-only businesses.

Sitting on my couch reading "How to Invest in Real Estate" (shoutout Josh and Brandon) and tenant number 3 in the seven steps to overcoming RE investment fear is to PARTICIPATE.