It did not refer to the 1245 or 1250 codes which define the different properties segregated out to faster lives.There are many experts that argue that much of the personal property in a 'real property' can still be applied to 1031 exchange.

Know this: that person is worth their weight in gold, and can be the primary person that you run things past or ask questions as you move through your day. 

Using your own money would get you there even faster.  

My second option was Jacksonville, but I feel like I can acquire more doors faster in Detroit.

I own C+ properties, but it would still bother me and feel like it reflects poorly on the quality of my units.(2)  The screws holding the drywall will have to be very long to reach the joists, through thickness of the drywall, plaster, and lathe before getting to the joists.(3)  Eventually the plaster will continue to crack and flake off (or if there is a leak), adding to the weight of the drywall. 

It's a pretty high cost, but it allowed them to grow faster due to the additional income from what is usually just "sitting money" in most people's assets.

From what you're telling us, it sounds like the BRRRR (Buy, Rehab, Refinance, Repeat) strategy will likely help you reach that your goals much faster. 

We also buy MFR and move into them, projects and family are in same location so time together is never and issue.Realtor license was great for me, it moved process along much faster.

Fire, smoke, explosion, vandalism, wind, hail, weight of snow, falling objects, sewer & drain back up, liability such as slip & fall, electrocution, broken water pipes, personal injury (aka discrimination), service line break, fungi & rot, etc etc etc.Good business practices and tenant selection is your first layer of defenseInsurance is the second layer of defenseLLC is the third layer of defense.If a situation is bad enough to need your third layer of defense - you’re basically looking to quitclaim the property and bankrupt the LLC and walk away.

If you get less back on each deal you eventually have less and less capital for the next subsequent deals which means you're going to have to save faster from your other income sources to keep investing or you'll be out of the game for awhile till you can accumulate enough capital to do another deal again.Regarding your down payment assistance programs comment, those are only for primary residence usually 1 unit dwellings not for investment properties.