This robot vacuum has the features of a 1,000 model but is on sale for under 500

SAVE 140: As of May 20, the Dreame L10s Ultra Robot Vacuum is on sale for 459.99 at Amazon. We're obsessed with great robot vacuum deals here at Mashable, so that's why we need to tell you about the Dreame L10s Ultra robot vacuum. As of May 20, this impressive model is available for just 459.99, saving you 140 on list price. So, what makes this deal so good? Well it vacuums, mops, empties itself, refills the water, adds cleaning solution, and does all of that automatically.