We do. It is because (i) It would stink out the garage if not (ii) I can't be arsed to do it myself and (iii) the cost is minimal, we don't miss it. Doing so is keeping a bloke in work.It must be for people who have money to burn. I don't know why anyone would want a clean bin unless maybe your trying to get rid of criminal evidence. Do the same lot get their fence polished.