Prime Day is nearly as good a time to buy a robot vacuum on sale as Black Friday. For new robot vacuums that debuted at CES 2025, it's the first big sale event of the year — most of them were far too fresh to go on sale for Amazon's Big Spring Sale in March.

It has 19,000 positive reviews I’ve spotted my Shark Vacuum cleaner in the Prime Day sale, and let me tell you one thing: some days I couldn’t live without it. You know the days you spend the entire 24 hours inside,

Currently, the Shark AI Ultra robot vacuum with a great self-empty dock retails for only $297, 50% off of its normal price of $599. This is the lowest Amazon price to date on this model, and it’s a fantastic chance to have a premium robot vacuum at a very low price.