I'm just one data point, but I assume your success will be more dependent on picking the right PM for your needs, rather than picking the "best" of those markets.If I were you, I'd use BP to get a short list of PMs in those markets and schedule some intro calls. 

A lot of REI are fairly high income successful salespersons, lawyers, doctors, etc, or are just very frugal relative to their income level.

You can dramatically improve your chances by latching on to a successful agent willing to mentor you.

Here is my specific situation:  I have about 20 years of successful investing experience in both flips and buy and hold.

I'm 47 and only recently started investing in real estate after a successful career as an Engineer (still my day job!). 

While there are so many successes stories and get rich quick flipping seminars my wife and I just want to share our stories and hope to be an inspiration to other flippers and real estate investors.

I noticed in these meetings the successful hang with each other.  

While there are so many successes stories and get rich quick flipping seminars my wife and I just want to share our stories and hope to be an inspiration to other flippers and real estate investors.

An experienced hungry investor who has just successfully flipped a home nearby and made a bundle has offered to give us $50k to wholesale our property to him.

He has four identical townhouses in the downtown district that he has been AirBNBing out himself very successfully for the last 5 years.