Petsmart has six-pound jugs of Purina Pro Plan Renew Cat Litter on sale for $12.49 through 5/1. Buy two and use a $10.00/2 coupon at the register. Final price: $7.49 each!

Use one $10.00/2Purina Pro Plan Renew Cat Litter (coupons.com)

Final Price: $7.49 each, when you buy 2