Amazon has Tide PODS Original Scent HE Turbo Laundry Detergent Pacs 81-load Tub on sale for $18.04. There is a coupon to clip making them $16.04. You get another 5% off when you subscribe and save, making the final price $15.14 shipped. Plus, they ship free.
If you have 5 subscribe and save items at once, you will save 20% off.