 Spending more than you make. It's a good way to end up with... Too much money at the end of the money. And it leaves no opportunity to save. Worse yet, living beyond your means is a path towards significant debt. It's tempting to be a big shot at the restaurant, you know, like, I got this, your money's no good here. Yeah, but it's good where it's staying, in their wallet. And if your thing is to buy a lot of stuff, wealth is seldom made by buying possessions. Remember...