The devil is in the details.   

Go to an attorney specializing in Texas real estate transactions who can set the whole thing up - if the attorney you're using is not familiar with the optimal ways to insure wraps you're using the wrong attorney. 

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Do you have the case online? 

A prudent investor doesn't seek quick riches through shortcuts.

San Diego is the best!

I'd check local STR FB groups and see if you have a local Real Estate Club.You can offer your services there, maybe for free in exchange for the experience.

The best deals, especially 3–5 unit properties, move fast... often before they hit the MLS.

I obtained the umbrella policy through their "agency" which finds other carriers for their members.

Quote from @Duane Williams: We’re a family-owned fix-and-flip company operating in San Antonio, TX, and Northern Virginia, managing everything in-house—from wholesale acquisitions to rehab & construction (with our own project managers and crews) to listing & selling through our licensed brokerage.