Main brush and side brush
Hair and threads can still build up, especially in homes with pets or long hair.
Maintenance guide
More than many ads imply, but usually less than cleaning the whole floor yourself every day. The best buying decision often comes from understanding what the robot reduces and what it simply shifts into a smaller maintenance routine.
Robot vacuums are not maintenance-free. Brushes still need cleaning, bins still fill, sensors still collect dust, and mopping systems still require pad and water management. The value comes from shrinking the size and frequency of manual floor cleaning, not from eliminating maintenance entirely.
Hair and threads can still build up, especially in homes with pets or long hair.
Even with self-emptying docks, bags or collection bins need eventual replacement or cleanup.
If the model mops, pads and water-related parts add a separate layer of upkeep.
Dust buildup affects navigation and performance over time if ignored.
Filters, pads, brushes, and bags are part of long-term ownership cost, not just the purchase price.
Buying guide
Read this if you are still deciding whether the extra mop system is worth the added upkeep.
Open guideUse case guide
Relevant if maintenance is one of your concerns in a high-shedding home.
Open guide