Stack coupons at Rite Aid to score a great deal on Halls Cough Drops! The drops are on sale, two for $4.00. Plus, buy two and receive 100 Plenti Points. The Points are equal to $1.00 which can be used as a form of payment on a future purchase. Buy two bags and use one $1.00/2 Smart Source coupon and one $1.00/2 Rite Aid store coupon. Remember, the Rite Aid coupon policy allows you to stack a store coupon with a manufacturer coupon. Hurry to print the store coupon, as it is only available to the first 10,000 fans. After the sale, coupons and Points, the final price is $0.50 per bag!