Make sure there are no automatic renewals or hidden fees that could catch you off guard.

Their combined monthly income is 3X my rental amount but the man's income is in cash (he is a car mechanic).

Yes, I know there are legitimate wholesalers but just like used car salesmen (women), the bad ones make the good ones seem just as bad.

But here’s the thing: just because someone has an EA or CPA title doesn’t automatically make them a perfect fit for what you need.

The repair shop includes 10 service bays to be able to service a variety of cars.

Therefore, it can't add automatic late fees, send email reminders or track per property. 

You can bring pepper spray pretty much anywhere, so no need to leave it in the car when there is "no guns" signs.

Advising him to invest in anything on his own is foolish.Chances are he will lose it all, or pi** it away, on cars and toys before he is 25.

Especially if you are going to house hack, if you earn $50k salary on a W2, you can likely buy about a $200k house (yes you need savings for down payment, so that ramen life, keeping the college, paid off car, and living at home, if possible, or with as many roommates as you can find will all help).  

You are off to a great start because you know you don't want to LEAVE your job to do real estate, you want real estate to be a sufficient side car to the job you are already crushing out of the gate.