It depends on the quality of the design. The effect is generally free. No matter how many you design, there is a charge for the last one.

For picture books, each page 100 is the cheapest 50 pages. If it is only a single page, the price is above 300. If you print it out, you can still make a difference. Generally, a single page can earn more than 500.

At the beginning, customers were unstable, so the price was lower. I had more contact with some technical problems and mastered the access relationship. At the beginning, you make money without losing money. If your company is still alive after 1 year, even if it is alive, you can consider making some money.