This week at Walgreens, Children’s Robitussin, Dimetapp and Advil are on sale for $4.99. Use a high-value coupon from the 10/2 Red Plum newspaper insert to save $3.00 on each. Plus, save an extra $1.00 on Children’s Robitussin with a store coupon from the Walgreens Cold & Flu Book. (Learn more about Walgreens store coupons here.) Find the booklet in the store on the medicine aisle near the cold and flu medicines. The booklet is white and blue and pictures a woman in a green sweater and a little boy on the cover. Pay just $0.99!