Amazon has select Luden's Throat Drops on sale at prices listed below after you 'clip' the 20% off coupon on the product page and checkout via Subscribe & Save. Shipping is free. Thanks captainguy
Note, must be logged in to clip coupons; coupons are typically limited to one per account. You may cancel Subscribe & Save anytime after your order ships. Select the later date from the "First Delivery On" menu to get traditional S&S checkout instead of adding to your cart.
Prices below after clipping the 20% coupon and checking out via Subscribe & Save: