My advice for you is to start small, do your research and take your time. 

But I think you may be asking, should you do the rezoning, or leave it to the ultimate developer. 

I'll continue using it when I add new properties until I find something that I need that it can't do.

NAR Settlement has zero to do with this situation.

Quote from @Jonathan Greene: The last thing you should do is try to turn this into a rental/ Not because that's not a good idea, in theory, but because you don't have the expertise or connections to do the rehab and will overpay and underperform on rent.

That's what crowd funding would do.

Patricia,  Do you have a team in place in Baltimore that can help advise you?

I usually only do commercial/industrial developments.

Stay consistent stay the course and you will do great. 

This is something you do on your own units policy.