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Amazon [amazon.com] has 170-Ounce Arm & Hammer Clean Burst Liquid Laundry Detergent (170 Loads) on sale for $ 13.98 – 25% off when you clip the coupon on the product page – 5% off when you checkout via Subscribe & Save = $ 9.78. Shipping is free w/ Prime or on $ 25+ or $ 35+ orders (minimum requirement varies by location).