Amazon Resale (formerly called Amazon Warehouse) is the home for many of the returns that the retailer processes. A lesser-known Amazon Prime perk to score a bargain — if you don't mind like-new, open-box or pre-owned items.

Online spending is expected to surge to $23.8 billion across U.S. retailers during a 96-hour Amazon Prime Day event this week, according to an Adobe Analytics forecast released on Monday, as shoppers seek strong discounts on back-to-school gear ranging from apparel to electronics.

The first four-day-long Prime Day sale, is expected to generate as much spending as two Black Fridays, Adobe reports today, with AI tools and influencers driving growth.