Douluo's Titled Store Manager

Chen Hua accidentally traveled to the Douluo world and obtained a store system that especially liked to deceive the host. For example, a bluesilver grass is sold for ten copper soul coins? That's right, it's Blue Silver Grass, and the trick is, if you don't sell 500 plants within a week, you'll get a super reward for erasing it... Therefore, Chen Hua decided to use the title Douluo's cultivation to trick people... Note: The original timeline is pushed forward thirty years. So this is a brand new story, "If you don't like it, don't spray it."