One of the best robot vacuums we're ever tested is down to $159.99 right now

We've tested dozens of robot vacuums over the years, and we have a shortlist of favorites that we recommend more than any other models. At the very top of the list is the iRobot Roomba i7+ Robot Vacuum with Automatic Dirt Disposal, a top-of-the-line robot vacuum with performance and features that are unmatched. This high-end Roomba picks up dirt, dust, and pet hair like it's nothing thanks to a great brush design and 10 times stronger suction than entry-level Roomba models. That's all great, but...