What is the Crossover Point? The Crossover Point is the moment when monthly investment income from your portfolio exceeds your monthly expenses, the tipping point after which your money earns more than you spend. Coined in the book Your Money or Your Life, it is FIRE’s most emotionally satisfying milestone.
Worked example: you spend $4,000/month and your portfolio of $800,000 generates an average monthly return of $4,667 at a 7% annualized gain. You have crossed over. From that day forward, on average, your wealth grows even if you never work again, though month-to-month volatility means you must still keep cash buffers and ignore short-term noise.
The Crossover Point is not identical to the FI Number. FI assumes sustainable withdrawals through bad sequences; Crossover is an average-case milestone that a single bear market can temporarily erase. Many FIRE practitioners celebrate Crossover as the psychological turning point, the day work becomes a choice, while continuing to invest until they hit the full 25x buffer.