The Powerful Roomba 860 Has Never Been Cheaper

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Even at an all-time low $364, the Roomba 860 is still quite a bit more expensive than, say, the Eufy RoboVac 11. That said, it boasts up to five times the sucking power of the comparable Roomba 650, so if you have kids or pets that tend to track in a lot of dirt, it might be worth the premium.