https://www.woot.com/offers/4-count...action-dishwasher-detergent?ref=w_cnt_wp_0_98 4-Pack 36-Count Cascade Platinum ActionPacs Dishwasher Detergent Pods (Fresh) for $20.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.