From the HUD website:"In the Sale and Rental of Housing: No one may take any of the following actions based on race, color, national origin, religion, sex, familial status or handicap: Refuse to rent or sell housingRefuse to negotiate for housingMake housing unavailableDeny a dwellingSet different terms, conditions or privileges for sale or rental of a dwellingProvide different housing services or facilitiesFalsely deny that housing is available for inspection, sale, or rentalFor profit, persuade owners to sell or rent (blockbusting) orDeny anyone access to or membership in a facility or service (such as a multiple listing service) related to the sale or rental of housing."

Usually there are strict historic guidelines for any work done including windows, paint color, etc etc etc 

If you do not have the expertise to evaluate a multifamily and know 95% of the issues that will come up at inspection and price for them, you should sell single family houses and worry about colors and wallpaper.The best way to address these issues is to PRE NEGOTIATE them.eg.

Consistent 24% returns are rainbow colored unicorns.

Color Palette: let’s keep an eye on both Pantone’s and Sherwin-Williams colors because these will be the colors trend for 2019 , black and white will definitely disappear from the color palette.2.

Be critical of your deal and make sure to take off your rose colored glasses. 

But, I can think of more fun things to do with $107 than write a bunch of letters and field some calls.I plan to write everything in red pen and I almost failed penmanship growing up - so my writing ain't too good which might work better or worse.Envelope:My Home Return address - I have some return address stickers laying around I plan to use.Writing their address in red pen.What color envelope?  

Builder beige is a popular color for a reason.

It's easier to pretend being interested than to tell you they don't like the floor layout or the paint colors.

The color of the house is horrid, but the siding is in good shape.