A Reselling Merchant Who Traveled Through Time

If you can travel through time to buy and sell, what will happen to the world? And Ye Chen has gained this ability and has a time-travel and resale system. Only you can't think of it. Ye Chen can't do it. As long as you have money, you can even buy life span, completely breaking the law that money is not everything. Medical treatment, weapons, technology, and even metaphysics and martial arts can be realized through this system. In this world where technology and metaphysics coexist, with this system, I don't know what Ye Chen's fate will be. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.