I've been testing robot vacuums professionally for nearly two years now, and during that time I've reviewed all kinds of different robovacs, from different brands and at different price points. There have been plenty of things that surprised me. Most of them have been positive – today's best robot vacuums are truly capable, impressive gadgets that can save you plenty of time and effort.
In the course of my professional testing, I've also attended plenty of briefings and received countless press releases, and I know the lines all the big robot vacuum brands are peddling. Some of them are valid, and others less so. Here are the three biggest lies robot vacuum brands are telling us, so you can temper your expectations before you invest.
