Sticking to a budget is more than just keeping your spending under control. Yes, that’s important, but unexpected financial pitfalls can completely blindside you and wreck your budget, too. These fall under three basic categories.

Financial writer Trea Branch rounds up three general pitfalls that can wreck your budget. Here they are, along with a few tips for managing:

via Keep Your Budget Intact by Preparing for These Three Common Pitfalls.