Prime Day deals include this Shark AI Ultra robot vacuum for 58 percent off

Ahead of the Amazon Big Deal Days event (aka Prime Day in October), a tasty deal on a Shark robot vacuum has popped up. You'll need to be a Prime member to take advantage of the offer on the Shark AV2501S AI Ultra robot vacuum, but if you are, you can get the device for over half off. The discount drops the price from $550 to $230.

That means you can snap up the robot vacuum for $320 below list price. The discount marks a record low for this model.

Shark offers several variations of its AI Ultra robot vacuums. There are small variations between them, and a different model is our pick for the best robot vacuum for most people. In general, you can expect solid cleaning performance from these devices, along with accurate home mapping and an easy-to-use app.

The model that's on sale ...