You build a solid reputation as a deal closer, vs someone who bails when their portion of the deal doesn't work out. 

At that same property, we now have great relationships with our vendors. 

This way you can learn what it takes to be a landlord, produce extra income that can be put towards your mortgage, and build equity.  

What are some good things to be looking for and thinking about for a prospective buyer who is walking the grounds of a 47 unit building?

You are far more likely to find a mentor through in-person networking and building relationships.

suggest you start with Dave Ramsey principals ... then move out from there.there is some big huge fallacy  that Real estate is going to let you quit your job and your going to have all this time for the kiddos etc.this will never happen in the short term with rental property.. you build a nice base for retirement in 30 plus years for sure.. but for short term replace your income and have all this free time you need to make transactional income with big hits.. your not going to get their with 200 to 300 a month cash flow on a levered up rental . 

My latest misadventure in property management, a police car crashed into one of my buildings.

and will build appreciation and equity (via tenant paying your mortgage) until you sell.Selling in 2-3 years for 121 Tax Exclusion is probably best, though.Anything else will depend on your investment goals. 

Don't look for a handout, go build connections.Figure out what your why is.

Im new to real estate investing, I have 7 years of experience building from new homes to commercial builds.