My plan is to keep most of them and use that income to supplement my pension. 

I want to own property that brings in some cash flow that will supplement my current W2 job with the goal of retiring early.

If only there was a semi-passive investment strategy I could do on the side that would supplement my monthly income and build net worth.................After college I realized with my garage full of toys, no money in the bank, and student loan debt I was probably not doing the money thing right.

Side note: My wife and I's investment career  will be ran on the side of our full time jobs as supplemental income on our road to financial freedom. 

 -  I periodically work temporary Project/Program Management gigs to supplement my income. 

Or, to supplement other investments. 

I have all of my bills on automatic payments, including HOA, supplemental taxes and mortgages that are impounded with taxes and insurance,  so unless I'm paying a handyman or an odd expense, I don't spend that much time managing my properties or paying bills. 

I have seen many a folk run a very small Property Management business on the side to supplement a low sales commission business.

What would be supplemental if we could see the migration of these colors since the last 5 years, or even since pandemic?

Many investors have been able to use 1031s to position themselves into passive investment real estate that pays throughout their lifetimes and uses the deferred tax to supplement that income.