Just a week after its release, Amazon is marking down this model 40% for Prime shoppers, which is essentially an unbelievable ...

We put several robot vacuums from Eufy, Ecovacs, and more through a series of mess tests to see which stood out.

At list price, the Roborock Qrevo Master costs $1,599 in the US (although at time of writing, it was down to $899.99, which is the kind of price you should expect to actually pay for this model).