Don’t miss out on OxiClean laundry detergent for under a dollar! This week, 40-ounce bottles are on sale for $3.99 at Walgreens. Use a high-value $3.00 coupon to pay just $0.99. The printable coupon has a limit of one coupon per person. The newspaper coupon was highly regional, and it does not have a limit. Ask your store cashier how many they’ll allow you to buy at once if you plan on stocking up.