1. Ice: what we need most in the hot summer is to cool down, you can sell cold drinks, ice cream, shaved ice, etc.

2. Fruit salad: in the summer weather is hot, you can sell some fruit salad, fruit juice, iced lemon tea and so on.

3. Roasted corn: summer is also the most abundant period of corn, you can roast the corn and cut it into small pieces, add some spices, delicious and inexpensive.

4. Barbecue skewers: summer weather is hot, people prefer to get together outside, you can prepare some kebabs, barbecue meat, etc., the price is moderate, the taste is good.

5. Handicrafts: summer is also the peak season of tourism, you can prepare some handicrafts, souvenirs and so on