Why does my robot vacuum suck now? Well, whens the last time you cleaned it?

Robot vacuums are clutch when they're working correctly — and uniquely infuriating when they're not. (A broken dishwasher could hardly incite the rage of stepping on crumbs that a robot vacuum should have easily sucked up.) If your robot vacuum isn't cleaning your floors as well as it used to, consider how long it's been since you cleaned your robot vacuum.

Obviously, general lifespan also plays a role in a robot vacuum's declining abilities. Most robot vacuums last between three and six years...