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As one of its daily deals, Best Buy offers the Ecovacs Robotics Deebot M81 Pro App-Controlled Self-Charging Robot Vacuum for $199.99 with free shipping. (Walmart charges the same price.) That's tied with our September mention and the lowest price we could find now by $86. It's compatible with Amazon Alexa and can be pre-programmed for future cleanings. Deal ends today.