What is retiring early if not the dream? You both get the chance to enjoy the fruits of your labor and the years that come before the proverbially golden ones. It is no surprise that this has become a dream for pretty much everyone, but very few people actually get to live it. The idea of escaping the 9-to-5 grind and living life on your own terms sounds ideal—but the financial reality is a much more complex dance.
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If you’re reading this you must already be thinking about what it might take to join the FIRE crowd so let’s take a look below at some viable strategies and what it takes to get you aboard that cruise line before 50.
Retirement Strategies That Can Sustain An Early Exit
The key for any early retirement strategy is really easy – you’ll need to save diligently and with iron discipline. Still, there are choices to be made and it’s best if you get to be informed and make these choices with an early getaway in mind. . Here are three tried-and-tested strategies that can help sustain an early retirement, each with distinct benefits and considerations.
1. Living Off Investment Interest
The basics of living off interest are simple – you invest in a portfolio designed to generate enough yearly income through interest, dividends, and other predictable cash flows—so you never touch the principal.
Let’s say you’re an investment maverick and you’re able to achieve 3–5% of profit annually – for example through a combo of dividend-paying stocks, municipal or corporate bonds, and high-yield savings accounts.
Let’s then say that your retirement expenses total $40,000 per year, and your portfolio reliably generates $45,000 in interest and dividends. This basically means you can, in theory, live off the returns indefinitely without having touched the surplus income.
2. The Bucket Strategy
The bucket strategy divides your retirement savings into three “buckets” based on time horizon and risk:
- Bucket 1 (short-term needs): Holds 1–3 years’ worth of living expenses in liquid assets like cash or money market funds.
- Bucket 2 (mid-term needs): Contains bonds and conservative investments to replenish the short-term bucket as needed.
- Bucket 3 (long-term growth): Invested in stocks or real estate for appreciation over time.
This method helps early retirees weather market volatility by drawing from stable sources in downturns while allowing long-term investments to recover.
3. The Flexible Withdrawal Strategy
Instead of withdrawing a fixed percentage annually, the flexible withdrawal method adjusts spending based on market performance and personal needs. For example, in strong years when your portfolio grows, you may withdraw 4–5%. In weaker years, you might scale back to 2–3% to protect your capital.
Calculating Your Early Retirement Number
At the heart of early retirement planning is one key question: how much will you spend annually—and for how many years will you need it?
1. Estimating Annual Expenses: Lifestyle Dictates The Number
Before doing any financial calculations, you must clearly define what retirement means to you. Will you travel extensively, relocate to a low-cost country, or live simply off the land? Your answers shape everything.
To estimate annual retirement expenses:
- Track current monthly expenses and categorize them (housing, healthcare, food, entertainment, etc.).
- Remove work-related costs (commuting, business attire, lunches).
- Add new costs that retirement may bring (travel, hobbies, higher medical expenses).
Let’s say you currently spend $3,500 per month ($42,000 per year). If this reflects your ideal retirement lifestyle, you’ve found your baseline. Adjust this for anticipated changes—such as paying off your mortgage or downsizing—and inflation (more on that shortly).
2. Applying The 25x Rule: Fire’s Core Formula
The 25x Rule is a cornerstone of early retirement math. Essentially, it says you’ll need 25 times your annual expenses already invested in order to then retire safely. The formula is based on the 4% rule, which assumes you can safely withdraw 4% of your portfolio annually without running out of money over a 30-year retirement – if it sounds a little complicated that’s because it is.
For example:
If your projected retirement expenses are $40,000 annually:
$40,000 × 25 = $1,000,000
That means you’ll need $1 million in investments—not including home equity, pensions, or side incomes—to retire comfortably.
But if you plan to retire at 40 and expect to live to 90, that’s 50 years of retirement. The traditional 4% rule might not apply for such a long horizon. Experts suggest lowering the withdrawal rate to 3.25–3.5% to account for longer retirements and market fluctuations. Using 3.5%:
$40,000 ÷ 0.035 = $1,142,857
Factors That Influence Your Retirement Number
Below we’ll cover some of the less pleasant factors that could influence your retirement number.
Inflation: The Silent Killer Of Retirement Funds
Inflation erodes purchasing power over time. If your retirement spans 40+ years, even 2–3% annual inflation can drastically change how much you’ll need.
Example:
$40,000 today will require about $72,000 in 25 years to maintain the same lifestyle (assuming 2.5% average inflation). To safeguard against this:
Invest in assets that outpace inflation (stocks, real estate).
Regularly re-evaluate your retirement expenses.
Healthcare Costs: Often Underestimated
Fidelity estimates that a 65-year-old couple retiring in 2023 will need $315,000 for healthcare costs in retirement. Retiring before Medicare eligibility (age 65 in the U.S.) means covering your own insurance.
If you’re 45 and plan to retire in five years, estimate:
$500–$1,200 per month per person for private insurance.
Add copays, dental, vision, and unexpected medical emergencies.
Many early retirees consider Health Savings Accounts (HSAs), medical tourism, or retiring in countries with affordable healthcare.
Geographic Arbitrage: Retiring Abroad To Cut Costs
Living in a lower-cost country—such as Portugal, Thailand, or Mexico—can slash your retirement budget in half. For instance:
Chiang Mai, Thailand: $1,200–$1,800/month for a comfortable lifestyle
Lisbon, Portugal: $2,000–$2,800/month including rent and insurance
This strategy, known as geo-arbitrage, allows your dollar to stretch further while maintaining or even upgrading your standard of living.
Building And Protecting Your Retirement Portfolio
A high savings rate alone won’t cut it—your money must also work for you. Here’s how to accelerate your progress toward early retirement.
1. Saving Aggressively: 50–70% Of Your Income
Early retirement demands a savings rate far above traditional norms. Most FIRE adherents aim for 50%–70% of their take-home pay.
Let’s say:
- You earn $80,000 after taxes
- You save 60% ($48,000/year)
- At a 7% return, you’ll reach a $1 million portfolio in about 12–14 years starting from zero.
To do this:
- Eliminate debt
- Optimize housing, transport, and food costs
- Use budget apps like YNAB or Empower
2. Investing Wisely: Compound Growth Is Your Best Friend
Smart investing multiplies your savings faster than any savings account. Here’s where early retirees usually put their money:
- Index funds (e.g., S&P 500 ETFs like VOO or VTI) for long-term growth
- REITs (real estate investment trusts) for passive income
- Dividend-paying stocks for cash flow
- Bonds for stability in later years
Assume a 7% average annual return. A $500,000 portfolio grows to over $2 million in 20 years—even without additional contributions.
Diversify across asset classes and rebalance annually. Use tax-advantaged accounts (like Roth IRAs, 401(k)s, or TFSAs in Canada) to optimize growth and minimize taxes.
3. Planning For Income Beyond Investments
Some retirees choose to supplement their investment income:
- Freelancing or consulting
- Renting out property
- Blogging, writing, or YouTube
- Seasonal or part-time work
Even earning just $10,000 per year can reduce your required portfolio size by $250,000 (based on the 25x rule).
Photo by Julius Yls on Unsplash
Endnote
Retiring early isn’t just about hitting a number—it’s also about building a life resilient to change, including unexpected family needs, policy shifts, or lifestyle evolution. One often-overlooked factor is the psychological shift required to move from accumulation to decumulation, which can be emotionally challenging for high savers.
To succeed, future early retirees must prepare not only financially, but also mentally, for decades of freedom, autonomy, and the discipline to navigate an unstructured life.