White is a pretty normal trim color.  

Some companies also have standardized systems in place and will automatically make renovations such as changing carpet to hardwood or a standard paint color which in the end cuts down on rent ready repairs and turn around time if the property should become vacant. 

If permits are needed, cement pad, certain colors, etc.

Looking for pricing on (bw & color) 1 page single sided, no bleed, first class mail. 

Make sure you concentrate on the stuff that sells (good colors, updated kitchens and bathrooms)!

Sheen, color, brand?

Or walking a historic neighborhood with an investor to get a feel for colors and style of the neighborhood.

He met this by buying the same appliances for every house, doing the same paint color, everything...in this way he always had stock ready and he could estimate jobs with relative ease. 

Wear and tear is normal,, sheet rock holes / dents are headache but easy to fix if you have same paint color. 

Go to the town's website, and try to see if they have overlay maps, and locate the address, and match up the color.