You’re in your mid-50s, you’ve worked hard, and you’re starting to see the finish line. There’s just one problem: you’re not sure if you can stand another three years at your current job. Retiring tomorrow is what you want to do, but when you run the numbers, you’re not quite there yet. So, what do you do?

Here are five of the biggest mistakes we’ve seen people make when preparing for retirement—and what you can do to avoid them.

You have run the numbers, talked with family and friends, and made the decision: you are ready to retire. That is great news! Now comes the question: Where will my paycheck come from?