More Than Enough Wealth

When you travel back in time and become a poor small farmer, your father is still a money-making idiot. Is it useful to be highly skilled in martial arts? No use? Is it useful? Okay, the above is just asking for nothing, let's pretend to learn some martial arts to change our destiny! Wait, who is this arrogant ice cube man? You want to come and stay at our house for half a year? Bah bah! What? Do you want to live with him in a big and scheming family for two years? No, ah, ah... If I go, what will happen to my plan to make money?