Thumb Score: +24 Amazon has 1-Gallon Chemical Guys Wash and Wax Car Shampoo w/ Gloss on sale listed below from $15.56 when you 'clip' the 25% off coupon on the product page and checkout via Subscribe & Save. Shipping is free. Thanks CorwinNote: It will be in stock on June 28, 2018. You must be logged into your Amazon account in order to clip the coupon. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.