The more USD circulates inside the US, the stronger middle class get's. 

Stay in the middle as much as possible.

Simply tell the lender you are getting a  quote from what your middle score is.

I have window units in my 4 unit that is in a upper middle class part of Chicago. 

My property is in the middle of downtown San Antonio, 3 bed/1 bath.

The variety of economic development grants/programs and the process streamlining that has taken place to date in Chicago is meant to encourage access for smaller and newer developers and encourage the types of "missing middle" developments that have historically been to small or the process to burdensome to move forward. 

I dropped Revere Pewter and have mostly used Light Pewter as a common color in the house with kitchens and bathrooms being something colorful, usually blue for kitchens and green for bathrooms.I use HD Behr Marquee which is around the middle of HD paints in quality.

You should have zero chance of zoning to residential if the property is right in the middle of a commercial zone.

My wife and I went as far as putting a fence down the middle of the back yard to separate the spaces. 

These issues fall somewhere in the middle not terrible but not minor.