1. A dispensing system, comprising: a hopper storage receptacle; a conveyor mechanism; a hopper door associated with the hopper storage receptacle to controllably release product from the hopper storage receptacle to the conveyor mechanism based on a unique access code associated with an end product user and assigned to a product order in advance of providing product to the hopper storage receptacle; and wherein the hopper door, comprises: a frame having a top member and a bottom member; a slide gate disposed between the top member and the bottom member and retractable between an open position and a closed position, wherein the slide gate includes a downwardly sloped portion angled from a horizontal position of the frame; and a set of fingers projecting from the slide gate to dislodge material proximate the hopper door.