As a business owner, if it is costing you more money to create your product than you are making when you sell it—you have problems. But how do you calculate your ideal profit margin? And once you do so, what are some ways to maximize it easily?

Why did you purchase your last car? Or your last home? Or the shoes you are wearing right now? Or even the coffee you stopped for on the way to work? In fact, why does anyone buy anything?