Earning just 3,000 yuan a month and cheated on by his girlfriend, Shen Xing thought he had hit rock bottom. Then spending one yuan on a bottle of water triggered a twofold cashback! Spend 20, earn 20; spend 20,000, earn 20,000; pour billions into research and development, and net billions! Who can resist the thrill of getting rich by spending money? With beautiful women all around him and his career taking off, this is the ultimate wish-fulfillment novel about using cashback to turn the tables and crush the competition worldwide.
