Between the extra AirBnB fees, special assessments, silly parking they have going on, it doesn't look good for me in the PCB area. 

From my experience dangerous neighborhoods, as your parents put it, are best left to people that specialize in those or grew up in or live in those types of neighborhoods.

A CPA who specializes in partnership issues can also likely talk through these issues with you.3) Depending on the size of the deal - Keep It Simple - the number of really complex agreements that come across my desk for a $500k property is crazy, and it ends up costing as much to do those tax returns as a comparable $5m deal

Consider defining clear roles, ownership percentages, and responsibilities upfront, and ensure you’re protected if the partnership doesn’t work out.Since you already own properties, it might be worth consulting a CPA who specializes in real estate for advice on tax strategies specific to your situation.

However, they are frought with risk because many are special use properties (ever see a chinese food restaurant in a former KFC?)

I’d suggest beginning by connecting with an agent who specializes in multi-family properties.

I co-own a STR PM Co with around 90 doors currently and am also a broker who specializes in STR Investor acquisitions. 

Pre-foreclosure - homeowners are desperate to avoid foreclosure and they quitclaim deed the title to some XYZ organization , person, or to a lawyer that specializes in foreclosure defense.

There are 20+ CPAs and accountants on this site that specialize in real estate taxation.

I specialize in STR & Co-living strategies.