Amazon’s preview Spring Sale is offering discounts as high as 45% off on certain robot vacuum models. A self-described robot vacuum tester highlights seven standout options—and warns about which products might not be worth your money.

As a dog owner forever battling stray fur, I was eager to see if the VAX HomePro Detect Pet Design Cordless Vacuum Cleaner could handle the heavy shedding in my home. What I found was a cordless device specifically designed for pet owners, proving its worth one shaggy carpet at a time.