The five Cs of Singapore You remember the all famous five Cs that makes a Singaporean financially successful. Cash Car Credit Card Condominium Country club membership Of all the five Cs mentioned above, only a few withstood the test of time. With cashless payments and mobile wallets becoming a thing, physical cash is now starting to be seen as an inconvenience. Country club membership is no longer a thing in our generation and almost anyone on the street has a credit card now.