If a customer says they want to buy the materials I immediately just walk away because it's not worth my time.

This will give you a clearer picture of STR potential.Sounds like Johnson City is a hidden gem worth exploring!

that's worth one or two hundred bucks a month too. 

I looked into trying to house hack in LA, with roommates or multi family but it just doesn’t seem worth it with the numbers. 

Quote from @Jonathan Kurtz: It's not likely that with the number of lawsuits already out against Blacktip, there is going to be anything worth fighting for.

Is it worth buying vs renting given I'll be staying there for 3 years.

In fact, there may be other home service opportunities with quicker growth potential worth considering.Additionally, be aware that in Texas you’ll need a broker’s license, not just a real estate license, to operate a property management business.

I think the biggest take away was the level of success possible (this guy’s home is worth ~$20m).   

We also have pocket listings like the one she is mentioning but I would ask to see some comparables to make sure the price she's asking is what it's actually worth.

For anyone considering this, it’s probably worth consulting with a local land-use attorney or planner to navigate the specifics and make sure you’re maximizing the opportunity without running into red tape.