Walmart: $0.17 each wyb 4

Walmart sells their Meow Mix single cups for $0.42 each at regular price.  If you have the $1/4 Meow Mix Single cups coupon you can get each cup for $0.17 wyb (when you buy) 4. 

Thanks to KCL here's the breakdown:

Meow Mix Cups $0.42, Regular PriceUse $1.00/4 Meow Mix Single Cat Food Cups from RP 8/28
Final Price: $0.17 each when you buy 4