Pure Clean works much better than the price suggests. I was amazed at how much pet hair and crumbs it could pick up with its small rotating bristles. The suction is also quite strong and can pick up pet hair, dust and dirt. It won't be in the same league as the Roomba or other expensive robot vacuums, but at this price point you could certainly do worse. Compared to conventional vacuum cleaners, it is comparatively quiet, so that even longer sessions are not a problem. He could also switch to…