What is FIRE? A Complete Guide for Beginners
New to financial independence? Start here. Learn what FIRE means, where it came from, and whether it might be right for you.
The 4% Rule: Does It Still Work?
The foundation of most FIRE calculations. Understand where it came from, what it actually says, and the ongoing debate about its validity.
Where to Invest for Financial Independence
All-world ETFs, trusted brokerages in the US and EU, and why consistency beats everything. A complete guide for beginners.
How to Start Investing (Even If You're Nervous)
A step-by-step guide to your first investment. Open an account, set up automatic investing, start with as little as $10/month.
Using the Fire Planner
Set up your profile, run projections, stress test your plan, and track milestones. Covers assets, liabilities, income, expenses, withdrawal strategies, shareable snapshots, and check-ins.
How Projections Work: Fire Planner Calculations
Every formula behind the projection engine: compound growth, debt paydown, surplus routing, withdrawal strategies, stress test math, and all default values.
Mathematical Foundations: Fire Planner Engine
Full derivations and proofs for every formula: compound growth, drift-corrected lognormal Monte Carlo, historical backtesting, withdrawal strategies, and stress test models.
Types of FIRE: Lean, Coast, Barista, Chubby, Fat
FIRE isn't one-size-fits-all. Explore different approaches and find the one that matches your lifestyle and goals.
References & Further Reading
The research behind the calculators. Trinity study, historical returns, and the academic foundations of the 4% rule.
Ready to Run the Numbers?
Once you understand the concepts, see where you stand: