Purina has released a hot printable coupon (on bricks coupon page click ‘Help’ on bottom right for mail link) for Buy 1 can of Purina Pro Plan wet Dog Food, Get 1 FREE (up to $1.70 value).
I’m pretty sure these are priced around $1 or even less.
If you’d like, you can also grab your printable coupon (on bricks coupon page click ‘Help’ on bottom right for mail link) for $3 off ANY 1 bag of Purina Pro Plan Selects brand dry Dog Food (excluding 6oz trial size)