PetSmart offers $5 off select dog and cat food via this printable coupon. That's tied with our mention from two weeks ago as the best dollar-off no minimum purchase required coupon we've seen from PetSmart. Click here to find a store near you. Brands include Blue Buffalo, Castor & Pollux, ORGANIX & Ultramix, Hill's Ideal Balance, Innova, Nature's Recipe, Nutro Natural Choice, and more. Deal ends October 17.