Our top pick for a more versatile robot vacuum, the Eufy E20, is an impressive $270 off for Amazon Prime Day. The Roborock Qrevo S, which we consider the best overall robot vacuum, is 38 percent off, saving you $300.

A ton of robot vacuums that auto-empty are already on sale at Amazon weeks before Prime Day. Save on Roborock, Shark, and more.

Among the good offers, there are also a lot of misleading Prime Day deals. Some of the discounts have been available for months, and Amazon has inflated the original prices of certain items to make deals look better than they really are,