Tide High Efficiency Laundry Detergent, 50-Ounce, Original Scent (2-Pack) for $9.90 shipped after clipping this coupon for $1.50 off and selecting Subscribe & Save to take an additional 5% off. Here is a screenshot for your reference. You can cancel S&S easily with no obligations after your order ships. It is made of biodegradable soaps, phosphate free, septic system safe, and uses recyclable packaging. Most places have one 50-ounce bottle for $7.54, making 2-pack cost about $15.