It is a common practice here. I didn't like it and now get used to it. You are not rich, don't bother buy them with your money. When you visit your friends during the weekend, ask them if they want to support. It is all right if nothing is sold.
小孩刚刚注册Junior Kindergarten两星期，老师就给了他10张Raffle Tickets，让他去推销，每张$1.不知怎样处理好?