A few years back, as a new stay-at-home mom and living on one income, I knew I had to find a way to save money at the grocery store and stockpile necessities like diapers. I started clipping the coupons in the Sunday paper. Then I moved on to magazines and local fliers that came in the mail. I started out using just an envelope for coupons, but as I got more involved in couponing, my storage system grew into a three-ring binder, complete with plastic baseball-card-holder pages to hold the coupons. This system has worked well for me the past few years.
Along with coupons from the Sunday paper, be sure to check these online coupon sites: