I test robot vacuums for a living and the best one I've used is nearly half off right now

Maria Diaz/ZDNET ZDNET's key takeaways The Dreame X40 Ultra The X40 Ultra is a high-performing robot with excellent mapping capabilities and strong 12,000Pa suction. It performs exceedingly well on carpet and hard floors, with great object avoidance and high customization. Although it can recognize and show snapshots of obstacles, it sometimes gets tangled in cords and loses one or both mop pads. I also found some connectivity issues with the app. Our pick for the best robot vacuum and mop combination, the Dreame X40 Ultra, is now discounted by $900 off its original price, on sale for $1,000. As a fan of robot vacuums and mops, I'm always looking for the next big thing in home cleaning robotics. I almost stopped looking after the Dreame X40 Ultra. Also: The best robot vacuum mops you can buy: Expert tested This robot vacuum and mop combination has so many features that keeping up with them during testing was challenging. Unboxing the Dreame X40 Ultra was a joy, mainly because t ... Read full article.