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Buying a Budget Robot Vacuum While higher-end robots are able to better remove dirt clumps and pet hair but budget models can do well. Examine the specifications of the machine for dirt storage and clearance. Also, make sure it can be connected to a home assistant like Alexa. The Dreametech D10 Plus, a mid-range bot, is one of few bots that cost less than $400 that can map and mops and auto-empty. The tank-like tires of the D10 Plus are able to navigate over obstacles such as lounger chair le