Do they need to be registered with a local real estate board? 

Given California's tenant-friendly laws, you'd probably be better off hiring a PMC to help you find & screen roommates. 

Outside of that you can look at crime rates, etc but having a boots on the ground or local expert would be the best benefit of where to look in a specific market.

Attend our Local Government meetings, regional, national.

I feel confide that by the end of this program I will have a solid understanding of wholesaling and analyzing any market local or virtual, how to leverage direct mailing and TTP, and hopefully be focusing on scaling at that point... which is way more than expected.

I am currently an active duty attorney in the Navy, mostly focusing on criminal law.

You can start with reading his books (Multifamily Millions) and go to a local seminar when they are in town.

I attended seminars, joined meetup groups, and regularly invited local professionals for coffee to learn from their experiences.

If you ever stop rolling over to new dsts and paying that 10-18% in fees, then you’ll owe all those taxes anyway…It reminds me of the large local swap meets, gun shows, craft shows, etc etc etc….    

A great way to find a good team member (contractor, agent, partner, attorney, lender, PM, etc.) is at a local Real Estate Investor meetup.