Amazon's summer sale can save you thousands of dollars on top tech, and PCMag experts agree: Laptops are one of the best categories for big discounts during Prime Day.

Our editors rounded up the best Prime Day robot vacuum deals, including savings of up to 50% on top-rated models from iRobot, Shark and Eufy.

Amazon.com Inc took a big gamble this year by expanding its annual Prime Day summer sale to four days from two, betting the extension would give shoppers more time to navigate the millions of deals on its sprawling web store.