Amazon takes $5 off a selection of Tide and Gain laundry detergents via this clippable coupon. Plus, take an extra 5% off and bag free shipping when you order via Subscribe & Save. A couple of best bets, with prices after all discounts:

• Gain Flings Original Laundry Detergent 81-Pack for $13.04 (low by $5)
• Tide Pods Spring Meadow Laundry Detergent 81-Pack for $13.80 (pictured, low by $5)