I have not begun investing myself but I have seen some people get great returns in the Port Richmond and Cobbs Creek (as mentioned by @Paul Jagielski above) areas of Philadelphia.

The books ( I have all) are the most organized and easy reads.Ask lots of questions!!

I had to set up an account for an organization, and when I had a little trouble with it, I was able to reach a live human on the phone quickly. 

I have been through the mortgage process, refi process and HELOC several times, so I know the drillI don’t miss payments and can stay organized if multiple lenders are involvedWilling to sell my primary residence if we do not take a big hit on our cash in.

The games have begun it would appear. 

NARPM is an organization that sets the bar for many of the industry standards.

I have seen plenty of properties come and go since I have begun searching and I have recognized a deal that I would like to move on and I know timing is not on my side. 

Until you own the whole building, you still need an organization that is doing what the association does - collecting money from the other owners, doing maintenance to the exterior, and planning ahead for long term costs. 

Mentors are found more organically by getting to know people and developing a relationship with them over time.

Hopefully you're tracking all the business expenses and organizing it for a CPA.