I'm cheap. I love a bargain. I'd rather get 5 things on sale than one full price item. There are a few things I will splurge on. Here's my list:
Horizon Organic milk or organic milk. It's expensive, $4 for half a gallon or $6.50 to 7.50 a gallon. But to me it is worth to money to get hormone free milk for me and my kids.
I also try to buy all natural meat. Worth the money.
Kid Shoes. Stride Rite. I've tried to buy cheap shoes but you actually save more money by buying good quality that will last a whole season.