...RE, on the other hand, is comparatively simple to me--I can wrap my mind around what makes a property valuable, what factors affect the market, the advantages/disadvantages of various RE investment strategies, etc.Don't get me wrong--I'm not trying to knock crypto.  

Go to their office and knock on the door.

You do not need to knock it out of the park on your first hit

@Dave FosterYes Dave Tammy and I are still kicking and knocking on some doors.

You knocked it out of the park with both. 

Is it a good idea to start skip tracing or returning to an area on my day off and door knock or leave door hangers?

Ultimately, it all boils down to you—your experience, your availability, and your ability to handle multiple tenants, units, and issues (trust me, they'll all come knocking).Typically, for beginners, anything beyond a duplex can be overwhelming.

However, this access point also serves as the door delivery drivers and guests use to do drop offs or walk up to knock the "front" door. 

You could start with the basics cold calling, knocking, and social media.

Door knock and do wholesalingAre you good at or have a willing desire to do sales & marketing?