You will need to replace at different intervals: filter, brushes, drive wheel. This should be planned at the time of purchase and further maintenance costs. The official website indicates the replacement of the filter as much as once a month, but the built-in counter for 2+ months of use still did not recommend a change. Probably, 2022 apartments are smaller than American houses in terms of cleaning surface. Once pushed his own base and could not "park" - but if the base is firmly pressed against the wall, then in general there should be no problems. The container is easy to wash, but it dries for a long time, while it cannot be inserted with liquid according to the instructions - therefore, we clean it once every 2 days, and not daily.