How about selling rice, oil and salt?

1, the business of selling rice, oil and salt is good. Rice, oil and salt belong to the necessities of people's daily life and there are many consumers.

2. There will be no cliff-like changes in demand, which is a steady business. Business refers to the behavior that some people provide qualified materials or services to customers based on their wishes, gain customers' recognition and profit from them, and provide necessary places or activities for society and others.