He paused, hesitating as he caught sight of her expression, "Hiring them? They ones that are not housebound are available for service I thought?" he said, thinking that it might be the best way to get the place clean extremely fast with less stress to her, "I don't think they are harmful, do you? I mean, I wasn't really raised around them, but we have them at Hogwarts. I have noticed them more upon my return and they are a huge help."