Now is the time to do it. The cost of a membership is $40 for a year and you will receive a $25 gift card, making a years membership $15. The deal is good til January 21 and more info can be found HERE. Thanks to Money Saving Mom for this tip.
Some of the people on my coupon forums have said they save more money with coupons but than other people swear by "big box shopping". I would love to hear other peoples experiences.