.- The re-inspection fee, if needed, is typically in my area the result of a listing agent not doing their jobs and double strapping the hot water heater, putting CO detectors in, or otherwise ensuring the property is in financeable condition on the day it is put on the MLS, with no blatant health/safety issues, etc etc.

With that said, me and my wife have started the process already on the financing side.

I would side strongly with your friends (I believe the technicality on OO isn't being there full time, it's like more than X amount of days for 1 year or something.) so I would say maybe not "move in" but make sure you have some stuff to stay there when you have vacancies.

He owns a side business but it's up and coming.

Contracts in real estate would be pointless if either side can walk away without having some accountability.  

It's a side by side ranch duplex near Gratiot listed at $110k.

im in a hot location that is pretty much zero vacancy. 

On a side note, items such as electrical and plumbing must be up to code so those items will be inspected.

I'd like to introduce myself and meet other like minded individuals looking for a reliable, trustworthy, and ambitious business partner.On the side of that, I love cycling, fitness and technology (as I work in IT).

Down sides?