Connect with a housing coordinator if that position is available in your area and stay in contact with that person. 

You look like the kind of person who is going somewhere.

To answer your question directly: a person should apply (whatever that means in your process) before being asked to screen.

i have seen many do very well getting on a team.Myself personally I would concentrate on listings 1000%  Buyers only if well knownand wont waste your time. 

Home insurance would cover anything on premise, but as @Jonathan Bock stated, it's usually for significant damage.This might be something you would tackle on your own, but worth to have a conversation with your provider first to see what they have to say.

I currently use Wells Fargo and it’s a pain in the butt to keep going there in person and setting up a security deposit account.

Sloan, he seems to be knowledgeable about commercial real estate and after peering over his website briefly, it seems that he offers personalized training to people new to the business. 

but keep in mind CA has higher taxes and reg fees and I’m not doing more than 1-2 flips (short timeframe flips)  a year and many years do 0 flipsDo most flippers put flips into LLC Or in personal name (sole proprietor)  in CA (where you must pay $800 yearly plus accounting and other fees $300to $600+ yearly to maintain LLC) Pros for personal name-save on taxes accounting.

Call 3 references:  Verify that they work there, or that it is an actual person by asking where they work first, and don't mention who you are until after.  

I haven't used it personally myself, but have heard good things, and I'm sure you can use it in your area.