Siheyuan: I have a super purchasing system

Time Travel + System + Daily Life Yu Zhile traveled through time and became a purchaser in the backyard of a courtyard who was about to be transferred because of failing to complete the task. "Ding! Purchase successful, obtained the body movement without getting hurt." "Ding! Purchase successful, obtained the super cooking skill." With the super purchase system in hand, every time you purchase or help others purchase supplies, you can get ten times the return, and there are additional rewards. "Xiao Yu, I want to buy a pound of pork." "Xiao Yu, I want to buy a watch." "Brother Yu, I want to buy a TV." From then on, Yu Zhile became the most connected and popular person in the courtyard! ...