The cold and flu season is here, which means stock-up time for medicine. What better way to stock up than when it’s free? Thankfully, the $1.00 off any Robitussin product coupon is back. Take it to Walmart and get Robitussin DM To Go completely free!

Robitussin DM To Go, 2 ct $1.00, regular price
Use $1.00/1 – Robitussin Product, Any, Limit 4 Like Coupons in Same Shopping Trip – (coupons.com)
Final Price: Free