This Robot Vacuum Surprised Me With Its Ingenious Arms and Navigation Ability, and It's $400 Off for Prime Day

Our expert deal-hunting staff showcases the best price drops and discounts from reputable sellers daily. If you make a purchase using our links, CNET may earn a commission. I run CNET's vacuum testing lab. One of our top-rated vacuums cleaned up my home in real life, and it's back to an all-time low price for Amazon Prime Day. The Dreame X50 Ultra was able to use its lift arms to climb over the base of this chair that almost every other robot gets stuck on.