Every week I go shopping, instead of looking at the ad and trying to match-up all my coupons with items on sale, I use coupon match-up sites. I am a member of probably 10 of them or so but I only subscribe to commonsensewithmoney.com . I get a daily e-mail that has a bunch of great deals and sometimes free things.
I have 3-4 magazine subscriptions I have got for free.
I also haven't paid full price for ANYTHING since, and that includes gasoline (I use the perks from my local grocery store).
It may take a while to get the concept of them, but once you do, it will save a lot. Be careful not to buy everything just because it is super cheap. That will defeat the whole purpose of even going to these sites.
Here's a few more sites: