You’ve met them- those people that are far more concerned with getting that tiny little angle on things that someone else has than they are with whether or not that thing will do them any good.
Like the neighbor lady who used to boast that she got her bread for 39 cents a loaf by going way out of town to a little store she found. She spent a buck on gas, not to mention her valuable time, to save fifty cents on a loaf of bread.