What's the fastest way to make money? Of course, it's through illegal and disorderly ways, but how can it be done in a mild manner?
Fraud!
In what environment is it easiest to gain the relative trust of others?
Playing mahjong.
Gu Tao chose to make money by playing mahjong, immersing himself among the lower-working class, lingering in those greasy, dirty mahjong parlors. Those unemployed drifters munching on $25 bags of betel nuts and smoking $24 packs of Furong Wang cigarettes were Gu Tao's targets.