Most people have no idea how much money they actually need to retire. And after 20 years as a Certified Financial Planner, I can tell you… this one simple formula has changed more retirements than anything else I’ve ever taught. It’s called the Rule of 25. And it’s the easiest way to estimate how big your portfolio needs to be so you can walk away from work without stressing every time the market hiccups. Here’s how it works: You take the amount of money you want to spend each year in retirement