Home Slickdeals Amazon Pet food discount: Prime members get a one-time 20% discount on... Slickdeals Amazon Pet food discount: Prime members get a one-time 20% discount on your next pet food order following first profile creation. By ARCOM - 19 November 2017 193 0 SHARE Facebook Twitter Go to the deal page: Amazon Pet food discount: Prime members get a one-time 20% discount on your next pet food order following first profile creation.