How do you shop?

I find myself wander the stores too much when I'm hungry and bored.  This is my number one culprit for overspending at the grocery store!  Here is how I shop.

grocerygirl
  1. Never go to a grocery store tired, hungry, or emotional.
  2. Shop the perimeter.  I find myself wander the aisles tempting myself with food I shouldn't eat! 
  3. Know what you're cooking and make a list of things to buy.
  4. Stick to your list.
  5. Bring a shopping buddy to keep you motivated.
  6. Just because it's on sale doesn't mean you need it.

How do you shop?