![Food - Know when to stock up](https://i2.cdn.turner.com/money/galleries/2008/pf/0806/gallery.inflation_beaters.moneymag/images/05_grocery_game.jpg)
The service costs $1 for a four-week trial or $10 for an eight-week subscription. Buy in bulk when deep discounts are on.
Potential savings: More than $1,000 a year
NEXT: Food - A little home cooking
Last updated June 13 2008: 10:48 AM ET