The Demon King's Beloved Concubine: the Genius Son's Greedy Mother

No matter time travel, a real strong woman has the courage to face the bleak life and still thrive in another world. Selling lottery tickets, running newspapers, opening gold mines... She took care of everything step by step. Emperor? ! If you dare to touch me, I will sell the iron ore to the enemy. Princess? ! Your reputation will be ruined overnight with gossip. Does anyone dislike me? Pull it out and I promise to smash you to death with gold. Don't ask me why, you are so willful when you have money! "Mom, there is a man outside the door. He says he is the most beautiful and richest man in the world, and he also wants to be my father!" "Tell him that the registration fee is one million taels of gold. After paying it, go and line up."