Time Travel: I Opened a Commercial Street in Ancient Times

Wen Ying accidentally traveled into the body of an ancient rural woman, but encountered a very cold winter. There was a lame man at home and three children who were harmed by the original body. What? There will be floods, plagues, famines, and high temperatures later... Wen Ying: What a devastating start. Ding, your shopping system has been bound! Don't panic, Golden Finger is here to help! Supermarkets, clothing stores, food stores, milk tea shops... How could I open a commercial street in ancient times if I hadn't?