This 4-Star Robot Vacuum Crushed My Cleaning Tests—and It’s Nearly 50% Off for Black Friday

If you’re looking for a deal on a high-end robot vacuum this Black Friday, you can end your search right now. I review robot vacuums for a living, using my own home as testing grounds, and my two cats as assistants for evaluating pet hair pickup. My carpets have rarely been as clean as after I run the Ecovacs Deebot X9 Pro Omni, which is currently marked down to its lowest price ever for Black Friday. Throughout my rigorous cleaning tests, the X9 proved particularly proficient at…