Amazon offers the Tide HE Turbo Clean 48-oz. Liquid Laundry Detergent 3-Pack in Original Scent for $15.02 with free shipping via the steps below. That's $6 off list and the lowest total price we could find. To get this deal:

1. View the Tide HE Turbo Clean 48-oz. Liquid Laundry Detergent 3-Pack for $20.55
2. clip the $4.50 off coupon on the product page
3. checkout via Subscribe & Save for a final price of $15.02