Petco offers the Blue Buffalo Wilderness High Protein Flaked Wet Cat Food 3-oz. Can 24-Pack in Chicken and Turkey Flaked Entree or Kitten Chicken and Trout Flaked Entree for $17.88 with free shipping. (Amazon charges the same with free shipping for Prime members.) That's the lowest price we could find by $5.

Update: Amazon offers both options for $16.99 with free shipping via Subscribe & Save.