You don't own the debt even though you are nice enough to pay it.

So, that even if they change jobs more often they are never out of work long and often they change jobs to seek a better opportunity.

.- You can even recycle the messages annually or quarterly!

Even if the owner responds, it's often all negative as they somehow expect their property to never need repairs.There has to be a good balance of communication & expectations for the relationship to work.

@Drew Clayton does your old PMC even have a website?

I always am amazed when someone selling a $600,000 house brings me a listing agreement where they agreed to pay a stranger $30,000 to list their house for sale and they didn't even read the agreement much less spend the $250 to have a lawyer tell them that yes, if they sell it to their cousin during the listing period they still have to pay the $30k.

I would even say it's easier than SFH because you have in-place cashflow.

I've heard this stat or stats like it before and while I would suspect a very high percentage of millionaires got that way through real estate and maybe 90% have used real estate in part to become a millionaire, I sincerely doubt that 90% of millionaires got to be millionaires exclusively or even predominantly through real estate. 

Even as a broker there are many sleazy Account Executives that try to win my business with terms or extra compensation.

In return, you'd earn interest on your loan without the responsibility of property ownership.Diversify in Other Asset Classes: Since you’ve had success with stocks, you might want to consider diversifying further into things like bonds, index funds, or even crypto, depending on your risk tolerance.As for the parking lot idea, it could be worth researching the market demand in your area.