What is the best way to make money at low cost?

1. Ice products: What people need most in hot summer is to cool off, and they can sell cold drinks, ice cream, shaved ice and so on.

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

3. Roasted corn: Summer is also the best harvest time for corn. You can roast the corn, cut it into small pieces and add some seasoning. It's delicious and the price is not high.

4. Kebab: It is hot in summer, and people prefer to eat outdoors. You can prepare some kebabs, barbecues, etc. The price is moderate and it tastes good.

5. Handicrafts: Summer is also a tourist season, so you can prepare some handicrafts and souvenirs.