There's so much culture and variation between the neighborhoods that each is like its own area. 2 families are common, and the occasional 3-4 unit as well.

I'm in upstate NY- so snow is a common occurance.I can't answer all of those from any personal knowledge/experience but I'll give a couple thoughts:1.

Software is a common question on BiggerPockets.

This is a really common headache with student rentals and multiple tenants per unit.

If it still works with a haircut, you’re probably on solid footing.This tension between income upside and conservative valuation is pretty common on small MF value-add deals, so you’re not off base at all. 

You are not allowed to use common sense.

That’s common in coastal markets.Many Orange County investors live OC and invest in AZ, OH, IL, TX, FL, AL and few other state in the Midwest.

It's all common sense stuff you might as well just watch a 10 min youtube video and be on your merry way

Quote from @David Peschio: I recommend you call and interview many property management companies in the area.From my perspective, a successful relationship hinges on aligned views regarding property management strategies and common goals.

Another common thing is families coming for graduations since this is a training base.