Ultimately you need to put in what the masses will like and not what you like.I do a lot of contemporary designed homes and some of them get white shaker cabinets while others get grey shaker or some other contemporary style and color.

While he should have been educating himself in real estate principles, finance and law, he was instead learning about weasel clauses, driving for dollars. and what color postcards to mail out. 

use stuff like these for 10 days https://www.amazon.com/Diffuser-Homeweeks-Colorful-Essential...

Maybe repaint their interior in their favorite color.

Baahhh, Seri tell me what color sky is I can't be troubled to look up for myself.

I conducted an inspection of the property and found multiple big colorful stains on the carpet.

This property is ugly as-is, and some people truly get upset by an ugly house when they're renting it shorter term, as though it's some reflection on them personally.Good news is that you can paint those ugly rocks and brick the same color, and make it look WAY better. 

Color me confused.

I will add, your free to run around with rose colored glasses on, I'd actually prefer persons do that vs the alternative of running around preaching doom is imminently around ever corner as some others do, that's just annoying.

Or maybe you completely go out of the box and do a bright colored plant theme.