Sorry, this sweeps has ended but see more current Sweeps to enter on Freebies 4 Mom. Enter daily for a chance to win the Do Us a Flavor Sweepstakes at Walgreens. Your vote counts towards the voting for the national program, the LAY’S Do Us A Flavor Contest. There will be 1 winner of a $500 Walgreens gift card and 1,750 winners of a $20 Walgreens gift card. This sweeps started Feb. 24 and ends Mar. 30 which breaks down to about 50 winners per day.