Whatever you do, if you're the best, you should earn the most. This is that game.
Risk your time, effort and money against the forces of economics. Pay as little as you can for resources. Put them together in valuable ways. And sell at the highest prices. Familiar? Sure. You're creating wealth. The better you play, the more you earn.
Play BUX! Go to your economic limits and see how it works for you.
[Official one-game record: 11, 690, more than 58 times the starting money, in about an hour.]