$.25 off Gain Dishwashing Liquid ($.72 at Walmart after the coupon) Posted by Harbor Master on 1 May 2017, 8:53 am Tweet Expired Ex. 30 days from print (Print limit is two)(Coupon states limit of four identical coupons per household per day) Click here to print $.25 off Gain Dishwashing Liquid(Excludes 9oz or smaller and travel trial) Check your Walmart for 11oz Gain Dish washing Liquid priced at $.97. $.72 each after the coupon.