As of Oct. 3, you can get the Shark Matrix Self-Emptying Robot Vacuum for just $329 at Walmart. That's a discount of 38% and $170.99 off its normal price of $499.99. The sale is open to all Walmart shoppers, so no Walmart+ needed to take advantage of the deal.

The Shark PowerDetect Cordless Stick Vacuum sells for $429.99, or $499.99 if you go for the version with the auto-empty base. At time of publish it's only available in the US, but an EU and UK release is due before the end of 2024. I've requested pricing info, but based on US figures, it might be around £325 / £375.

The Shark AI Ultra Voice Control Robot Vacuum has tens of thousands of perfect ratings, with shoppers praising its self-emptying and mapping capabilities, as well as the fact that it works like a champ at dislodging pet hair from floors of all types.

Lightweight cordless vacuum cleaners have been around for a while, and they’ve only grown more capable with time. The Shark® Cordless PowerDetect™ Clean & Empty system is worth a serious look as a machine that combines powerful suction with practical features,