A dock’s width, depth and height describe only the object. Installation clearance, lid opening and tank removal can determine whether it is convenient to use.

Squeaking can be a wheel or brush issue rather than a sign of poor suction. Locate the sound before buying parts or applying a lubricant that can attract dirt.

A washable rug can still bunch, shift or trap a robot. Judge the rug and underlay together, especially at the edges.

A repeated click can come from a trapped object, a brush hitting its guard or a loose part. The rhythm and surface help narrow it down.

Wool rug care depends on pile, construction and the maker’s instructions. A robot that crosses the rug is not automatically suitable for cleaning it.