Attention, pet owners! Here’s a high-value, printable coupon to save $4.50 on two 12-packs of Mighty Dog wet dog food. Use the coupon to pay only $0.38 a can at Walmart! The 12-packs of Mighty Dog wet dog food are $6.78. Purchase two and use the $4.50/2 coupon. The price will drop to $4.53 per pack. That’s only $0.38 for each can!