In reality, grocery shopping is one of the best activities to see how frugal you are. Here are some of my best tips on saving money when grocery shopping. You will notice that I really do not mention coupons at all. Coupons are great when you have them and I would (and do) use them in addition to what is outlined below. Relying on coupons alone will not net you the kind of savings that I get.
I hope that these tips above have given you some ideas to get you started to be the kind of shopper that the markets don't like. It's fun being a rebel. LOL