Where the community population is concentrated, we can consider differentiated operation if there is a large supermarket nearby. It is best to sell water, cigarettes and instant food near the railway station, and the price can even be slightly higher (look at the prices of other shops nearby, although I despise raising prices, this is business). Pay special attention to the quality assurance time of food after opening a store. If there is a foot bath shop nearby, consider selling condoms. Convenience stores only need business licenses and tax registration certificates.