Amazon.com has 3-Pack 48oz. Gain HE Smart Pouch Liquid Laundry Detergent, Original on sale for $11.04 when you 'clip' the 20% off coupon (located on product page) and checkout via Subscribe & Save. Shipping is free while Subscribe & Save is available.
Note, must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.
Shipping & handling: $0.00
Your coupon savings (20%): -$3.40
Subscribe & Save (15%): -$2.55
Total before tax: $11.04