It vacuums so well that I have not gotten out my big Dyson once since I purchased it,” says one reviewer. “I can't tell you how much time I have saved.”

While self-emptying robot vacuums on sale at all were few and far between back then, almost every single robot vacuum on sale during Prime Days present can empty themselves. That includes Prime events not officially called Prime Day,

They become much easier if you enlist the help of a robot vacuum to do most of the hard work, however, and if you nab Roborock’s new Qrevo Curv—on sale now for a limited time—you won’t even need to get up to lift your cleaning assistant over thresholds or onto high-pile rugs.