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Episode 139 – When Can You Retire? Why Retirement Is Really a Cash Flow Problem

Many people approach retirement planning with one simple question:

“When can I retire?”

For decades, the answer many people assumed was age 65. But in reality, retirement has far less to do with age than most people think.

In this episode of The Last Paycheck Podcast, advisors Archie Hoxton, CERTIFIED FINANCIAL PLANNER®, and Rob Hoxton discuss why retirement planning is not about hitting a specific birthday or reaching a certain portfolio size. Instead, the real question is much more practical:

Can your income support your life once you stop working?

The answer comes down to understanding retirement as a cash flow problem.

Quick Answer: Is Retirement Based on Age or Income?

Retirement is primarily a cash flow decision, not an age decision.

You can retire earlier than 65 if your income sources and portfolio can sustainably support your spending. Likewise, someone may reach 65 and still need to keep working if their financial plan does not yet provide enough income to support retirement.

The key question is this:

Do you have reliable income sources and a portfolio strategy that can cover your expenses for the rest of your life?

Why Age 65 Became the “Default” Retirement Age

For many people, retirement planning historically revolved around the age of 65.

But that number is largely a cultural reference point rather than a financial rule.

Age 65 became popular as a retirement benchmark primarily because of Medicare eligibility, not because it represents the ideal time to stop working.

Social Security also plays a role, but full retirement age for Social Security benefits is no longer 65 for most people today.

In other words, the commonly cited retirement age exists mostly because certain benefits begin around that time, not because it represents a universal financial milestone.

Why Portfolio Size Alone Doesn’t Determine Retirement

Another common retirement benchmark people use is a target savings number.

You may have heard questions like:

  • “Do I need $1 million to retire?”
  • “Is $2 million enough?”
  • “Should I aim for $3 million?”

The reality is that portfolio size by itself doesn’t determine retirement readiness.

For example:

  • Someone with $500,000 saved could retire comfortably if their expenses are modest and they have additional income sources.
  • Someone else with $5 million might struggle if their spending habits are extremely high.

Your retirement success depends on how income and expenses interact, not simply on a headline savings number.

Retirement Planning Is About Replacing Your Income

During your working years, your ability to earn income is typically your most valuable financial asset.

Once you retire, that income disappears.

Retirement planning is essentially about replacing your paycheck with new income sources.

These sources might include:

  • Social Security benefits
  • Pension income
  • Part-time work or consulting
  • Rental income or real estate
  • Investment withdrawals

The question becomes:

How do these income sources combine to support your lifestyle?

Identifying Your Guaranteed Income Sources

A good starting point for retirement planning is identifying income sources that are relatively predictable.

Examples include:

  • Social Security benefits
  • Pension income
  • Certain annuity payments

These sources form the foundation of retirement income.

Once you know how much income will reliably arrive each month, you can determine how much additional income you must generate from investments or other assets.

Filling the Retirement Income Gap

For most retirees, guaranteed income does not fully cover living expenses.

That means the remaining income must come from the investment portfolio.

This is often called the retirement income gap.

The challenge is converting accumulated savings into sustainable income while managing risks such as:

  • Market volatility
  • Taxes
  • Inflation
  • Longevity

Retirement planning therefore shifts from:

“How much can I save?”

to

“How do I turn what I’ve saved into a reliable paycheck?”

Why Early Retirement Is More Complicated

Retiring earlier than traditional retirement ages introduces additional financial complexity.

If someone retires at age 55, several issues arise:

  • Social Security benefits are not yet available
  • Medicare coverage has not started
  • Retirement accounts may have withdrawal penalties

For example, withdrawing from certain retirement accounts before age 59½ can trigger penalties unless special strategies are used.

Early retirees may also face high health insurance costs.

Health insurance premiums alone can exceed $25,000 to $30,000 annually for some households, which significantly impacts retirement planning.

Because of these challenges, early retirement requires careful planning around:

  • Withdrawal strategies
  • Tax planning
  • healthcare costs
  • income bridges before Social Security begins

Why Retirees Still Need Investment Growth

Another common misconception is that retirees should avoid investment risk entirely.

Many people assume that once they reach retirement, their portfolio should become extremely conservative.

However, retirement often lasts 20 to 30 years or more.

If a portfolio stops growing entirely, inflation can gradually erode purchasing power.

Retirement portfolios therefore must continue to grow enough to:

  • Outpace inflation
  • Support increasing expenses
  • Maintain income sustainability over time

Rather than eliminating risk, retirees often need to manage risk carefully while still allowing assets to grow.

Why Retirement Planning Reduces Stress

The years leading up to retirement can create anxiety for many people.

Market volatility, economic headlines, and uncertainty about expenses can make retirement feel risky.

One of the most valuable aspects of financial planning is that it provides clarity.

A well-designed retirement plan helps answer questions like:

  • How much can I safely withdraw each year?
  • Will my money last throughout retirement?
  • What happens if markets decline?
  • How should my accounts be used for income?

By evaluating a wide range of possible scenarios, planning can help retirees feel more confident about their financial decisions.

What to Do If Retirement Happens Unexpectedly

Sometimes retirement is not entirely voluntary.

Life events may force someone to stop working earlier than expected due to:

  • health issues
  • job loss
  • family caregiving responsibilities

In these situations, financial planning becomes even more important.

Potential solutions may include:

  • relocating to a lower-cost area
  • adjusting spending expectations
  • finding part-time income opportunities
  • restructuring investments for income

Having a flexible financial strategy can help people adapt if circumstances change.

How to Start Evaluating Your Retirement Readiness

If you want to understand whether retirement is realistic for you, start with a basic financial inventory.

Begin by asking three key questions.

  1. What income will I have in retirement?

Include sources such as:

  • Social Security
  • pensions
  • rental income
  • part-time work
  1. What do I currently spend each month?

Review your expenses and account for occasional or irregular costs throughout the year.

  1. What income gap must my portfolio fill?

The difference between your income and expenses represents the amount your investments must generate.

Once you know that number, you can begin evaluating whether your retirement strategy is sustainable.

Common Questions About Retirement Timing

Can I retire before age 65?

Yes. Retirement is possible earlier than 65 if your financial plan supports it. However, early retirement requires careful planning for healthcare, taxes, and withdrawal strategies.

Is there a minimum amount of money required to retire?

There is no universal number. Retirement readiness depends on income sources, expenses, lifestyle goals, and life expectancy.

Should retirees stop investing in stocks?

Not necessarily. Many retirees still need investment growth to offset inflation and support long retirement timelines.

How do I know how much I can withdraw from my investments?

This depends on your portfolio, life expectancy, tax situation, and other income sources. A financial plan helps determine a sustainable withdrawal strategy.

Retirement is less about reaching a certain age and more about building a sustainable income plan.

If you want to better understand your retirement readiness, start by reviewing your financial picture and identifying potential income gaps.

Download the Retirement Readiness Checklist to help organize your finances and prepare for retirement planning:

Download checklist

You can also learn more about financial planning services or schedule a conversation with the team at Hoxton Planning & Management.

Certified Financial Planner Board of Standards Center for Financial Planning, Inc. owns and licenses the certification marks CFP®, CERTIFIED FINANCIAL PLANNER®, and CFP® (with plaque design) in the United States to Certified Financial Planner Board of Standards, Inc., which authorizes individuals who successfully complete the organization’s initial and ongoing certification requirements to use the certification marks.