Spend $10.00 on Listerine products this week at Walgreens and score 5,000 Points at checkout! 5,000 Balance Rewards Points are worth $5.00 (or more) when later redeemed for store credit. Buy three packs of Listerine Floss. (Note that regular prices can vary by store.) Use three different $1.00/1 Listerine coupons. (Each coupon has a limit of one.) The final price is just $0.82 each!