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.

For less than a Benjamin, you can pick up some top gear, from home security cams and video doorbells to tablets and speakers thanks to Amazon's annual summer mega-sale.