As of Aug. 26, the Shark AI Ultra Robot Vacuum is selling at Amazon for only $297.99 — a massive $302 discount. That’s half ...

SAVE $350: As of Aug. 27, the Shark Matrix Plus 2-in-1 robot vacuum is on sale for $349.99 at Amazon. That's a 50% saving on the list price.

The best robot lawn mowers we've tested will free you from pushing a noisy, gas-powered machine around the yard every weekend.