You need to network and search online; you cannot get a list of wholesalers.Attend REA events in Detroit or search online for keywords like  "We buy houses Detroit" or Sell House fast Detroit" and call the companies that appear in the search. 

I tried to make the purchase fast and easy.

If comparable rents are decreasing then you can’t increase your rent obviously but unless you have a turnover there’s no reason to consider changing it either.

But something must have happened in the market to change the returns DSTs are producing.

So then you're exposed to the risk some county official will change their mind and not approve your project AFTER you thought you were approved and already bought the land. 

At the time I found my builder and went to convert, the bank changed their mind on just about everything leaving me searching for options. 

-- and then we look closely, and see that A dropped some hit as soon as Fannie dropped it, but B is still holding onto it so the mid-level manager (5 levels above who you get to speak to as a general consumer) can take a fancier vacation this year.The cash out and 2-4 unit hits haven't changed in the last couple years, you still will not get the rate you see advertised everywhere, for a cash out 2-4 unit, since the advertisements are all for rate/term SFR 740+ FICO <75% LTV, etc, the perfect scenario that rarely pans out in reality. 

If you're on the fence about making the investment, literally just figure it out and make it happen because these are so game-changing. 

I probably won't change personal residence for the next 3-4 years.

This is such an underrated approach to acquiring life-changing real estate.