Yes, she is.
I wouldn't mind so much if she didn't go on about in such a proud way.
You're not supposed to tell people how much you spent on them in the first place, and especially not if the stuff was on sale, that's the whole point in taking price tags off things.
My aunt once gave me a shirt and left all the clearance tags on it... I appreciated the fact that she got me a shirt, cause she didn't have to, but I mean...
My friend, goes for the cheapest thing on the menu at restaurants, or she gets the same thing as everyone else (for some reason my friends always eat the same thing), and if she does and it's more than she wants to pay, she refuses to get a side or order dessert.
I've started trying to eat less at restaurants so I can get dessert xD It looks so good.