Flagship robotic vacuums have gotten REALLY good, but for most people spending $1500 or more on a robotic vacuum is out of the question, and I get it. So, in this video I’ve got seven of the most popular robotic vacuums under $400 and we’re going to see if any of them are worth buying and as always there are no sponsored reviews on this channel. First, we’ll test their vacuuming performance ...