Overconfidence is what leads people to underestimate traffic or overestimate how much they can fit into a day. It is also what has led some of history’s most successful leaders to their downfall. As a business owner, the same confidence and decisiveness that helped you build your company can create blind spots when it comes to your personal wealth.

Mental accounting is a bias that can keep you so focused on the individual trees that you miss the forest. It is why people treat an annual bonus differently than the rest of their income, or why a business owner might view profit from a great quarter as different money than the steady draw they take each month. For business owners juggling a company, a family and a portfolio, that habit can add up to real trouble.

Loss aversion is what leads people to hold onto items long past their usefulness and to refuse to part with an investment until it gets back to what they paid for it. For business owners, it can also mean holding onto an underperforming division, a stalled product line or an outdated succession plan simply because letting go feels like admitting defeat. Avoiding losses may sound wise, but taking it too far can keep you from reaching your financial goals.

As a business owner, you know the value of consistency. You order the same coffee, bank with the same institution and probably still work with a few of the same vendors you started with years ago. That instinct to stick with what you know built the routines that keep your business running smoothly. But when that same instinct guides your investments and your family’s wealth, it can quietly work against you.