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Best Affordable Robot Vacuum This basic robot vacuum is a great option if you don't require smart features such as mapping, no-go zones, and a self emptying dust bin. It costs less than $300. It is a great choice for cleaning carpets and hard floors, picking up pet hair and litter effortlessly. It utilizes random navigation and doesn't connect to your home Wi-Fi, which is ideal for those who are hesitant about devices connected to the internet an