The key to staying in the game, is to "know when to fold them", and to recognize that time ASAP.For this discussion, if it was me, I would sell immediately if not sooner, take the very limited loss, retain the money available for rehab, and use it on the next property. 

Your emphasis on the importance of thoroughly probing to ensure the PMC being interviewed has a true understanding of their operations is well taken.Creating an alignment of expectations requires recognizing that property management is generally a low-margin business.

We were thrilled that our hard work was recognized and we felt proud to deliver such a quality house to the lucky buyer.

Also your definition of RE pro is different compared to what IRS recognizes. 

I recognize some people CAN'T get to a local meetup (I'm due with twins in June; I probably won't be able to get out as often as I used to).

It can certainly feel intimidated to take on more and more debt, but the key is to break out of that headspace and recognize that your properties will pay for themselves (while the returns go in your pocket) and you will eventually flat-out own all of these appreciating assets. 

There you can get older 3bed/1bath homes (1910-1940) for 55-90K that will probably rent for 500-800/month, but need some TLC to recognize as appreciation.

At the minimum, rental property should be titled to an llc of the state the property resides in, not only to be legally recognized by local government to file evictions but also to containerize your liabilities (creditors of the llc coming after its members and vice versa creditors of the members coming after the llc).

If you consistently analyze properties, it will be much easier to recognize a good deal when it shows up.

I recognize Mint has a 'budgeting section' but as since I last checked it does not push users to proactively plan and decide what they want their money to do for them, and their budgeting tools are clunky and time consuming to use.