This has been found at Petco with a coupon on the bag, after rebate making it a money maker! This is also available at Target if you want to do just the rebate.
World’s Best Cat Litter 7-8lb bag – $11.49
Use $3/1 coupon on bag
Price: $8.49 per bag
Submit for the mail in rebate and you’ll turn this into a $3 Money Maker!