It is not unprofitable to open a stationery store in school, but there are too many such stationery stores and there is great competition. So I suggest you do some special projects. My sister made a new thing, which can meet many needs in our lives with mobile phones. Just a number. You can check utilities and packages. It is convenient for neighbors to communicate in the future. Just put it on. The function is really rich, and it will definitely catch fire. It was developed by Hunan Community Assistant Company. Do you think your city can still do it?