This in effect implies when you add solar, you are committed to forever having the utility included in the rent. 

I will guess vinyl ;)When others here on BP say to tile, they are usually implying ceramic tile which is more durable than vinyl.

You mention the 'due on sale' clause, implying that much of your portfolio is in traditional residential financing.

To me, this implies, you understand this might be unlawful.  

@Tina Lee would you hire a fat personal trainer?

@Jon Allen, I agree with @Greg Scott especially the last portion of his response where he says that providing the parts and not coordinating a professional repair implies that you intended to give permission for the tenant to do the repair themselves.

Taje training, join your local REIA and find local landlords to learn from David Tilney is a national trainer (google) I've taken as well, very goid.

Would greatly appreciate any advice/direction here.Permitting/Coordination - I spoke with the county and they indicated the property was unrestricted use, implying re-platting for residential lots or re-zoning for multifamily would be an option.

Most good guys will want to have a look at the project before they throw out numbers.And note that you will turn off a lot of the best ones by asking this, it implies that you're only looking for cheap bids...that's a huge red flag.

Each additional concentric RIng City usually has higher prices, but usually rents don't increase as fast as prices:( So, less attractive for cashflow, but often better for appreciation.You may want to follow our blog here on BP, as we're writing a series of articles on Metro Detroit cities and Detroit neighborhoods:https://www.biggerpockets.com/...Basic economics of supply & demand imply that the less demand for something, the lower the price.