Discounts are an important promotional tactic retailers use to drive sales. So much so that discounts were a major factor for three out of four U.S. online shoppers in 2023, luring consumers away from shopping at other retailers, getting them to increase their basket size, and convincing them to make purchases they otherwise wouldn’t. Discounts have a particularly strong impact on food purchases, where 90% of consumers reported stocking up on groceries when they were on sale.