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.  

Personally, I've been in the mobile home investing niche since 2007.

Hopefully they do or your personal insurance covers them.

They both had good intentions and I have personally seen the inner workings of the business in attempting the "Done for you" model.

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.

Well, I can say from my personal experience owning only A/B located properties, if you maintain all appropriate licenses, take care of your properties, and are responsive to your tenants its smooth sailings.

If you set the vision and then define the roles and responsibilities I think you can have an easier time finding the person you are looking for.

Consider whether an LLC is right for you—it can provide liability protection but isn’t essential for a single property, as personal liability insurance and an umbrella policy may suffice.

I recently read a book that mentioned there being a lot of power and benefits of a personal corporation but I'm curious as to when a corporation is actually beneficial over the latter. 

Work at establishing in-person relationships that will serve you well over time, not just one-and-done.