I live in the triangle of Springfield/Quincy(Hannibal)/St Louis Metro and was looking towards Springfield and surrounding areas to invest in multi-family and eventually commercial residential.

I’ve used triangle-radon for inspections.

I've been studying the small multifamily market here in the Triangle for a few years and things move quick, both on and off market. 

It's important to recognize that you might not see substantial returns for several years.Market Selection: Don't assume every part of the Triangle automatically means great appreciation.

Who are the go to commercial brokers in Raleigh/triangle that I need to speak with?

HomeVestors.com  --He and Becky have been hosting a Fayetteville meetup for years, and they attend the Triangle Real Estate Deal Maker Sessions (check out MeetUp) all of the time.

Similar to how Point Breeze expanded past the tracks above 25th street to Grays Ferry, Brewerytown then pushed past Cecil B Moore and the magic triangle of Sedgley and Ridge to increase values in "The Mansion."

The entire triangle area is filled with opportunity.  

I would HIGHLY recommend ANY of the Triangle area cities and smaller communities.

I manage MTRs in the NC Triangle, and charge 20%.