Target offers the Arm & Hammer Slide Easy Clean-Up Clumping Cat Litter 19-lb. Box in Non-Stop Odor Control or Multi-Cat for $0 via in-store pickup, via the below directions. That's the best via-rebate price we could find by at least $4. Designed not to stick to the litter box surfaces, it purports to make scrubbing and scraping unnecessary. Deal ends April 1. To get this deal:

1. Add the Arm & Hammer Slide Cat Litter 19-lb. Box to your cart for $12.49
2. drop the price further to $11.24 by opting for in-store pickup
3. redeem this mail-in rebate to drop the price to $0 (Be sure to choose the rebate that shows "TRY ME FREE - UP TO $14.99 MIR".)