Unlimited cashback in the city

Introduction:

Ye Xuan traveled through a parallel world similar to Earth and obtained a system called Infinite cashback. Any amount of money used will be refunded to him at double the price. Nima, why do you have to work? I just spent money to become the richest person in the world! How much does this thing cost? It's only one hundred thousand, I bought it! "" Ding, cash back two hundred thousand Chinese yuan! "" One million, it's so cheap, pack it together with the ones next to it! "" Ding, cash back... "Money, power, women, Ye Xuan thinks none of them should be missing, especially women!