Siheyuan: Activate the Double Copy System at the Beginning!

Lin Fan traveled to the Siheyuan, became an apprentice in a steel rolling mill, and awakened the god-level doubling replication system. No money? One banknote is put into the system space and thousands of banknotes come out! No supplies! Put a pound of flour into it and it will turn into a thousand pounds of flour in seconds! No technology? It was so simple, and its incredible comprehension function allowed Lin Fan to quickly master cutting-edge machining technology. The beasts in the courtyard tried to use various tricks to harm Lin Fan. Instead, Lin Fan took advantage of the system and managed to be submissive! Yi Zhonghai: "Mr. Lin, I'm just a dog, please let me go!" Jia Zhangshi: "Brother, I am such a bad bitch. Sir, please let me go!" Liu Haizhong: "Boss Lin, I deserve to die. I shouldn't harm others regardless of my conscience. I will kneel down to you, Liu!" Silly Zhu: "Brother Lin, in Sijiu City, I have never seen anyone who can fight better than you. I'm convinced, little brother." With the help of the god-level system, Lin Fan became the boss of the courtyard house, became famous in the forty-nine cities, did business all over the world, and finally reached the pinnacle of his life! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.