This PetSafe self-cleaning litter box is $40 off at Walmart this week

While Amazon Prime Day deals are getting all the fanfare lately, Walmart has a competing sale event running in October as well.

The savings are tremendous on items like the PetSafe ScoopFree Crystal Classic Self-Cleaning Cat Litter Box , which is just $99 right now, saving you more than $40 off the original price tag.