Question regarding "turn-key" companies

[James Hong]

I am a new investor from the Bay Area looking to buy out-of-state properties with cash flow in mind. Some cities I've been looking into are Indy, Memphis, Kansas City, Toledo, and some others as well. 

I've come across many "turn-key" companies that have offered to help guide me through the process, however, I was wondering if anyone has ever had any great experiences doing so? I have heard mixed reviews about these companies and would love some more perspective from people who have been there and done that. Do these companies really have your best interest in mind or are they telling you what you want to hear so they get their properties sold? Any insight would be much appreciated!

Also, if there are any cash flow markets with appreciation upside that I should know about, please feel free to let me know!