Amazon has 78-Count Cascade Complete ActionPacs Dishwasher Detergent (Fresh Scent) for $8.87 when you ‘clip’ the $3.47 off coupon on the product page and checkout via Subscribe & Save (select the later date from the “First Delivery On” menu). Shipping is free.
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.