The Dreame X50 and Roborock Saros 10R literally outshine all other robot hoovers and mops with their acrobatic tricks. Thanks to their climbing talent, they also clean areas behind door thresholds where other cleaning bots have to turn round. Dreame's lift design has an advantage because it climbs one centimetre higher and overcomes obstacles in a more material-friendly way than Roborock's Saros...