Qing Chuan's Rich Ninth Prince

Chuan Chengjiu's elder brother Yinzhen can foresee how miserable things will be in the future. After Yongzheng comes to power, there will be no good fruits to eat. Changing one's life starts from childhood. Brother Jiu has already begun to know how to plan for himself at a young age. The fifth elder brother has been with the Queen Mother since he was a child, the seventh elder brother is lame, and the twelfth elder brother is not involved. None of their paths lead to success. So Yinzhen decided to become a wealthy Sanren based on the historical conditions he knew. Concentrate on making money, making inventions, learning Western skills, and developing science and technology. All in all, he looks like a playboy, a rich and idle person, and a playboy. Accidentally, Yinzhen became a famous inventor, translator, medical scientist, philologist, thinker, educator, and philosopher in the Qing Dynasty... Purpose: Study hard and change your destiny against the odds