1 - save coupons and use all on the same day. I stocked up on a few items, and did my "big" shopping trip for the month on this trip. I still did spend about $140 (but that's about a (25% savings).
2 - lately I have been the freebie queen. I love getting things in the mail, being the first to sample items, etc. Sometimes they come with the item and a great coupon (like $2 off), or a coupon for a free item (we got 2 free boxes of tea). Here are some of my favorite sites:
3 - I've even won coupons in contests, like this one for Lean Cuisine (in which I won 7 free dinners).
4 - utilize the in-store coupons. I don't really care which toothpaste or deodorant we buy, so I'll just use whichever has a coupon.
5 - have family members save their coupons. My mom had a stack of 'em waiting for us when we came to visit.
6 - put a dot next to the items on your list that you have a coupon for in your stack.
Hope this helps! What suggestions do you have in saving money with coupons at the grocery store? Next week I'll try to post how to save money without coupons...