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What to Look For in a Robot Vacuum Based on your budget, you can select a robot vacuum that has all the bells, whistles and features. Choose one that is able to clean multiple types of floors, and look into buying one with a self-emptying dock. Models that are priced lower typically include basic bump navigation systems that are slow and inefficient. Higher-end models can use sensors to map your home and navigate around furniture and other obstacles. The following are a few examples of Robot vacuum