But that means educating yourself constantly.

This helps keep constant demand for rentals and drives real estate prices in the immediate area. 

:)Even after 17 years of doing it, I'm constantly refining and adjusting and learning.

I have been in constant communication with all our tenants.

Map out the route you want to go based on your current real estate knowledge, then constantly be adjusting the direction you're headed as you learn more and more.You hit the nail on the head, this industry has several different avenues to take; beware of shinny object syndrome, because just as you start gaining momentum in one direction, you'll be pulled in another. 

This way the owner of the home isn't constantly having to come and go from the property, and i can get all showing's/inspections done in 1 day. 

A constantly rising market makes everyone look good, and erases a lot of mistakes.

From my perspective, if you want to rent to a dentist, you have to have at least a cursory understating of their business model and basics of business, like profit vs cash flow, revenue streams, their cash cycle.

The next door neighbors smell marijuana constantly coming from inside the house.

Who doesn't want to constantly make money on good deals?