Prime Day deals include this self-emptying Shark robot vacuum for a record-low price

Amazon Prime Day is a peak time to make upgrades to home tech, with some steep discounts on gadgets that might feel like too much of a splurge at list price. If you've been considering letting a machine take over vacuuming responsibilities in your house, then the Shark AI Ultra Robot Vacuum is on sale for just 300. That's the lowest price we've seen for this gadget; normally you need to shell out up to 420 to add it to your housework routine. The model on sale today is a version of the one we found to be a top all-around performer in our tests of robot vacuums. Save 120 on this mid-range robot vacuum model.