Master Became Rich by Refining Elixirs in the Interstellar World

Pei Li, the ancestor of Qingyun Mountain, made a mistake and became an interstellar gangster. The ancestor who was respected by everyone in the past became an unknown gangster in the interstellar world. Once he fell into the clouds, he couldn't even afford to eat. A hundred years ago, human civilization suffered heavy losses and there was an extreme shortage of food and medical resources. When everyone was on the verge of starving to death, Pei Li set up a stall and said, "One pill lasts for ten days! Only five stars." Everyone looked at the various elixirs in front of them and fell into deep thought... Bigu Pill, Dali Pill, Rejuvenation Pill. Pei Li patted the sign next to him: "I can cure all diseases, please have a private chat~" One day, everyone looked at Pei Li, who was flying with his sword in the sky, and a question mark slowly appeared on his head. Is this a new type of aircraft? Pei Li smiled mysteriously: "Secrets of sword flying, one hundred star coins per use~" Everyone: "..." So greedy