Shenhao Cashback System: Invincible Starting from Cashback

I, Lin Bei, am so poor that I have to pay for my water in installments. As a result, it was suddenly bound to the Shenhao cashback system: ——You can get ten times cash back on anything you buy! Buy instant noodles? 100 Back! Buy a luxury car? 10 Million back! Buy a bullet? Sorry, please send me the tank! So I started a life of spending money like water and getting cash back like cheating—— Buy a shopping street and use it as a pet to play with, Spend money to crash the stock market, Krypton gold slaps the chaebol boss in the face, Just enter the dungeon to gain artifacts, flirt with beauties, and kill bosses as a warm-up for morning exercises... The most outrageous thing is that the more you spend, the worse your returns will be! I heard that the next stop is the world? Then I'll buy a "world" to play with! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.