Amazon has 6-Pack 25oz Seventh Generation Dish Liquid Soap (Various Scents) on sale for $13.66 when you 'clip' the $2.76 off coupon on product page and check out with Subscribe & Save. Shipping is free w/ Prime or on $25+ orders. Thanks oishi
Note: 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.