For example, I was looking for a shirt to wear to a specific event a couple of weeks ago. I wanted something fairly plain, preferably white. However I found a shirt that was approximately $2, but it was blue instead of white. For that money I decided that as I'd wear something blue fairly often anyway it was worth buying anyway. I've actually worn it a couple of times already! However it would depend on whether I would still use the item. If it's a color I know I wouldn't wear then there's no point in buying it in my opinion because then it would be taking up space in my wardrobe, and likely wouldn't ever get worn, so the money would be wasted. However if it's still a color I'd wear and would use often, even if it's not my first choice I will still buy it. Especially if it's a lot cheaper like that.