Retirement planning mistakes are expensive because they often go unnoticed for years.

Here are the biggest ones:

1. Starting too late The longer you wait, the harder your money has to work.
2. Keeping too much cash Savings accounts are safe, but inflation slowly reduces your purchasing power.
3. Ignoring employer matches If your employer offers a retirement match and you do not use it, you are leaving free money behind.
4. Underestimating healthcare costs Medical expenses can become one of the biggest retirement costs.
5. Taking too much investment risk close to retirement You should gradually reduce risk as retirement gets closer.
6. Not having an emergency fund Without one, you may be forced to sell investments during a bad market.
7. Never creating a retirement plan Without a target, most people save randomly and hope for the best.

The good news is that every mistake can be fixed if you catch it early.