I Am Professional in Opening a Store

Traveling through the Ning Dynasty, the Duke's only son. The prince's brother-in-law is not favored, who can understand the start of "Tianhu"! I'm not qualified to be an official, but I'm good at opening a shop. The whole capital is laughing at me because I can't hold up the wall with mud? Tang Weiyi crossed his legs and drank sparkling water: Isn't it good to make money?