Amazon has Cascade Complete ActionPacs Dishwasher Detergent 78 Count in Fresh Scent for $9.70 when you ‘clip’ the $3.47 off coupon on the product page and checkout with Subscribe & Save (select the later date from the "First Delivery On" menu) or $8.31 shipped if you have 5 subscribe & save items. Comes out to as low as 11¢ per pod.
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.