Save $100 on an Ecovacs robot vacuum and mop that is smart enough to avoid getting stuck The Ecovacs Deebot Ozmo T8 is on sale for $700 and has an impressive amount of navigational smarts. Ecovacs Robot vacuums are supposed to make your life more convenient, not less convenient -- that's why it's easy to hate robo-vacs that have poor navigation or require a lot of hand-holding to its job. Ecovacs' popular Deebot Ozmo T8 is smarter than that. It's a two-in-one vacuum and mop that gets great online reviews for its navigation smarts, convenience and autonomy. Right now you can get the