Amazon has 2-Count Listerine Pocketmist Cool Mint for $4.48 – 5% when you checkout via Subscribe & Save – $1.56 when you ‘clip’ the coupon on product page = $2.92. Shipping is free w/ Prime or on orders of $25 or more.
Note, must be logged into Amazon account to clip coupon; coupons are typically limited to one use per account. You may cancel Subscribe & Save anytime after your order ships.