Self-made rich people not only have pots of money to give away but are often in the habit of measuring results: they will fund what works and cut off projects that do not.

He is the first to admit that measuring the right thing is not easy, and he has wasted money by measuring the wrong things.

And measuring something really closely is the first step to figuring out where you can make improvements, save money, and keep your business humming through good times bad.