Dyson’s powerful 360 Vis Nav robovac is down to $279.99 for a limited time

The 360 Vis Nav impressed us with its exceptionally powerful carpet-cleaning performance. | Photo: Jennifer Pattison Tuohy / The Verge. If you’re tired of running your vacuum multiple times just to get the dirt and debris out of the carpets in your living room, Dyson’s 360 Vis Nav is worth a look. It’s one of the more powerful robot vacuums curren…