You may also want to look into 2-4 units as those are the easiest to finance and help you grow faster.

Holding a piece of real estate over time that a resident provides every dollar you will need to cover the holding, maintenance costs, and financing costs, all while it goes up in value, is the same with a property marketed "turnkey" as it is with any piece of real estate. 

Any insights on financing, managing renovations, or rental demand in Detroit would be greatly appreciated! 

I found some articles and old forum posts on BP last night that discussed problems with financing and insurance for this arrangement. 

How we protect our buyers is with the inspection, appraisal and financing contingencies.

How did you finance this deal?

Also, important to confirm they will be warrantable condos for end buyers otherwise it will be very difficult for end buyers to secure financing and thus purchase the units. 

A couple fix and flips that were financed with HELOC. 

Plus,  if you have the ability to do another FHA 203k, it's a no-brainer.The low down payment is unbeatable, and then add on that the bank will all finance the renovation!  

I understand the crime concerns, but why do you think traditional financing is risky?