Gain is a laundry detergent brand from Procter & Gamble that was introduced to consumers in 1969. Although it was originally marketed as a stain-remover, P&G changed the brand up in 1981 and started marketing Gain for its amazing scent rather than just it's stain-fighting capabilities. Now, Gain sells a large variety of laundry detergent scents in different formats, and they also sell things like dryer sheets, scent boosters, and even dish detergent. If you're someone who can't go without your favorite Gain scents and you're looking for Gain deals, one of the best places to check is Amazon. There, you'll find Subscribe & Save deals as well as coupons that will give you instant savings. Prime Members will be able to save even more as some Gain products are exclusive to Prime members only. If you're more of an in-store shopper you can also find Gain coupons on coupons.com. Don't forget to sign up for a Gain account as well if you want to receive occasional coupons and free samples.