I did the trial for 4 weeks for $1.
You log onto the site to see the weekly lists. For a sale that starts on Sunday, I got the list the following Tuesday. I then had Tuesday thru Saturday to hit the store.
The list is categorized by color. You go over the list and decide what you need and don't need. If the color is green (I think), it means it's a GREAT price and you should stock up. If it wasn't green or FREE, don't buy it unless you really need it.
The concept is good, but I found the following:
The price may be a GREAT price for that store, but not neccessarily a great price for the area. Something like Skippy Peanut Butter may register at a great price for 1.99 at Store A, but I know that Store B sometimes has it on sale for .99. So, if you shop at more than one store, you need to KNOW the general prices for the things you use a lot.
The list would refer to .75 coupons that could be doubled (or tripled in some places), but my actual coupon would be $1 (cannot be doubled) and the price just didn't end up being that great.
Some of the items on the list were just not to be found in my store.
And, although I saved a lot of money, I also bought stuff that I wouldn't normally buy, just because the list said it was a great deal.
I didn't renew, but I would reccommend a trial - it's only $1 and you can see if it works for you.