Individuals can achieve financial independence and retire early by managing expenses, living below their means, saving aggressively, and investing for passive income.
"The FIRE movement which stands for Financially Independent Retired Early. This is a community and a mindset that you don't need to be 65 years old to retire if you track your expenses live below your means save as much income as you can and build your wealth to the point where eventually you could live off your Investments forever."