Print a coupon for $2.00/1 Purina ONE Cat Food. Walmart offers 3.5 lb bags for $5.78, making them just $3.78 after coupon. Also, be sure to check and see if your Walmart has trial size bags that sell for around $1.99, which would score you cat food for free after coupon. Thanks, My Pet Savings! Looking for more coupons? Search the Coupon Database or print coupons from Coupons.com, SmartSource, Redplum.com and now from CouponNetwork.com. And don't forget to check out the Printable Coupon Alerts for other coupons I've found! Please note: Printable coupons have a print limit. Once that limit is met the coupon will no longer be available.