We know of a bunch of the servicers but curious of others have servicers they prefer.

See responses to your questions below: Correct, California is uniqueTo qualify for REPS you need to meet a number of criteria, including (but STRs that meet IRS criteria generally don't need REPS to leverage tax benefits): More than 50 percent of his/her time working in real property businesses; AND, More than 750 hours of service during the year.

Usually having a servicing company helps the lender to consider that.  

I'm assuming you are arriving at your cash flow number by applying Gross income - cap ex, maintenance, utilities, vacancy, tax, insurance, mgt, landscape/snow & Debt service?

if he performs a service for you, just pay him for it. 

I was delighted with their service and be happy to do a introduction for you to my contact manager (I am not associated with the company nor do I receive a referral fee).No business cards but line of credit yes.Revolving LOC? 

Basically/Hopefully that is watching rents hit your bank, and occasionally calling a repair service as needed. 

No gas service but electric.

They repeatedly charge me for cleaning services while my property has been vacant for 2+ months.

However, the concept of a virtual office is a very useful tool that provides a professional fiscal and commercial address, as well as additional services such as mail handling, meeting rooms, and phone assistance.