1: Have you ever sold something before? What was it?
2: What things do people sell in markets?
3: How much is something you want to sell?
4: Is the item new or used?
5: Where do people sell things — online or in shops?
6: What words can you use to describe an item? (big, small, new, old)
7: Is it important to be polite when selling? Why?
8: What makes people want to buy something?