You also need to see if the house has been updated vs original (like does it have 1970s pink tiling in the bathroom).

We actually did it for an aging parent, over bright pink tile.

I have seen 50's pink, green and sky blue tiles look fantastic in the right design.

Removing any items that make the property look dated like green toilets, blue sinks, pink tubs can help, updating all the light fixtures, removing old carpet to expose hardwood floors, removing wall paper and painting can all help with an appraisal. 

If you are going to re-sell then you have to determine if the price point justifies removal.How to is discussed in some existing links:http://www.biggerpockets.com/forums/84/topics/53718-removing-wallpaperhttp://www.biggerpockets.com/forums/67/topics/82287-pink-and-green-bathrooms?

He also spent time in prison for dealing cocaine.

Over-the-Top Pink Dolly Theme Project in Pigeon Forge, TN (biggerpockets.com)

But couldn't decide...So I let my new baby daughter decide.... and PINK is her favorite color...We didn't decide for sure to add this garage until a few weeks ago and had to revise our siteplan for approval from the building department.  

However, Bob could theoretically rent out the house to a drug lord who does all of his crack/cocaine operations out of the house.

I would recommend the close cell sprayfoam for insulation (~$400-600) or the ridgid pink foam.