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Guides on compound interest, Coast FIRE, and investing early — with real math.
What Is Barista FIRE? Semi-Retirement on Your Own Terms
Barista FIRE lets you leave full-time work early by combining part-time income with a smaller portfolio. How to calculate your Barista FIRE number.
Your Savings Rate Is the Single Most Powerful Variable in FIRE
Your savings rate drives your FIRE date more than returns or portfolio size. The math, a full rate-to-FIRE table, and why it's the most powerful lever.
Fat FIRE: How Much Do You Actually Need?
Fat FIRE means retiring with $100k+ annual spending. What the number looks like, how the tiers work, and whether it's achievable on a realistic timeline.
Every Purchase Has a Hidden Cost in Retirement Time
Every major purchase delays your FIRE date by real months. How to calculate the true cost of any spending decision in retirement time — not just dollars.
How Much Do I Need to Retire? (The Honest Answer)
The real answer to how much you need to retire is a calculation based on your spending, inflation, and withdrawal rate — not a generic number. Here's how to figure out your actual figure.
Coast FIRE vs Regular FIRE: What's the Difference and Which Is Right for You?
Coast FIRE and regular FIRE both lead to financial independence — but they work very differently. An honest comparison with real numbers so you can decide which path fits your life.
Investing at 25 vs 35: The Real Cost of Waiting 10 Years
The difference between starting to invest at 25 versus 35 isn't just 10 years — it's hundreds of thousands of dollars. Here's the exact math across three real scenarios.
Why Your First $100K Is the Hardest — And What Happens After
Charlie Munger called the first $100,000 the hardest money you'll ever make. The math explains exactly why — and what changes once you cross that threshold.
Roth IRA Contributions: How to Withdraw Your Money Early Without Penalty
Most people don't know Roth IRA contributions can be withdrawn any time, tax-free and penalty-free. Learn the rules, the conversion ladder strategy, and how to use your Roth as a flexible early retirement tool.
Dollar Cost Averaging: Why Investing the Same Amount Every Month Beats Timing the Market
Dollar cost averaging removes emotion, beats market timing, and works automatically. Learn how it works, why it outperforms lump sum investing in volatile markets, and how to set it up in 10 minutes.
The 4% Rule Explained: How Much Can You Actually Withdraw in Retirement?
The cornerstone of retirement planning — but most people only half-understand it. Learn where it came from, its real limitations, and how to plan a retirement that never runs out of money.
The Rule of 72: The Fastest Way to Understand Compound Interest
The simplest mental math trick in investing. Learn how to instantly calculate how long it takes to double your money — and why starting 5 years earlier can be worth hundreds of thousands of dollars.
The Power of Compound Interest: Why Starting 5 Years Earlier Changes Everything
See exactly how much starting to invest 5 years earlier is worth in real dollars. The cost of waiting is enormous — and the math is clear.
What Is Coast FIRE? Your Complete Guide to the Two-Phase Strategy
Coast FIRE explained in plain English. Learn what a coast number is, how to calculate it, and how the two-phase strategy can get you to financial freedom faster.
The Investor Who Contributed for 10 Years Beat the One Who Contributed for 30
Discover why starting to invest early and stopping beats investing late for longer. The math that reveals the true power of compound interest timing.