Memphis financial advisor reviewing retirement income plan with clients
Retirement 5 min read March 20, 2026

How to Build a Sustainable Retirement Income Strategy

For Memphis families approaching retirement, understanding distribution strategies can mean the difference between financial confidence and anxiety.

David Scully — CFA®, CFP® | President, Duncan Williams Asset Management

David Scully

CFA®, CFP® | President, Duncan Williams Asset Management

For many Memphis families, retirement represents the finish line — decades of saving, investing, and planning finally coming to fruition. But transitioning from accumulating wealth to distributing it is one of the most complex financial challenges most people will ever face.

The question isn't just "do I have enough?" — it's "will it last, and how do I structure it so I never run out?"

The Four Pillars of Retirement Income

A well-structured retirement income plan typically draws from multiple sources, each with different characteristics:

1. Social Security

Timing your Social Security claim can make a significant difference. For every year you delay beyond full retirement age (up to 70), your benefit increases by roughly 8%. For a married couple where one spouse had higher lifetime earnings, coordinating claims strategically can add tens of thousands of dollars in lifetime income.

2. Required Minimum Distributions (RMDs)

Once you reach age 73, the IRS requires distributions from traditional IRAs and 401(k)s. Poor planning around RMDs can push you into higher tax brackets and increase Medicare premiums. Working with an advisor to model RMD scenarios years in advance — potentially converting some assets to Roth accounts — can meaningfully reduce your lifetime tax burden.

3. Investment Portfolio Withdrawals

The classic "4% rule" — withdrawing 4% of your portfolio annually — has been stress-tested across multiple market cycles. But in today's environment, with longer life expectancies and variable market conditions, a more dynamic approach often serves retirees better. We typically recommend starting at 3.5% and adjusting based on market performance and spending needs.

4. Other Income Sources

Rental income, annuities, pension payments, and part-time work can all play a role in a diversified income strategy. The goal is to create a "floor" of guaranteed income that covers your essential expenses, with your investment portfolio providing flexibility for discretionary spending and legacy goals.

"The business owners who achieve the best outcomes start planning their exit 5–10 years before they want to leave."

The Sequence-of-Returns Risk

One of the most significant and underappreciated risks in retirement is sequence-of-returns risk — the danger of experiencing poor market returns in the early years of retirement. A significant market decline in your first five years of retirement can permanently impair your portfolio's ability to support 30+ years of withdrawals, even if markets recover strongly afterward.

"A significant market decline in your first five years of retirement can permanently impair your portfolio's ability to support 30+ years of withdrawals."

This is why we typically recommend holding 18-24 months of expenses in stable, liquid assets at the start of retirement. This "cash buffer" allows you to avoid selling investments during downturns, giving your portfolio time to recover.

Protecting Against Longevity Risk

Americans are living longer than ever. A 65-year-old couple today has a roughly 50% chance that at least one of them will live to age 90 — and a meaningful probability of reaching 95 or beyond. A retirement income strategy that only plans for 20 years could fall dramatically short.

Solutions include delaying Social Security (the best longevity insurance available), maintaining meaningful equity exposure throughout retirement, and in some cases, considering income annuities to guarantee a baseline income floor no matter how long you live.

Your Next Step

Building a sustainable retirement income strategy is highly personal. It depends on your specific assets, tax situation, health, family circumstances, and goals. There's no generic solution that works for everyone.

If you're within 5-10 years of retirement — or already retired — we'd be glad to sit down and model your specific situation. Our advisors work with Memphis families every day to build income strategies that last as long as they need to.

Key Takeaway

A sustainable retirement income plan draws from multiple coordinated sources — Social Security, RMDs, portfolio withdrawals, and other income — structured to last as long as you need it.

David Scully

David Scully

CFA®, CFP® | President, Duncan Williams Asset Management

President & Executive Committee Member, Duncan Williams Asset Management

David Scully has over 20 years of experience in investment research and team management. As President, he oversees daily operations and implements strategic objectives. David holds the CFA® and CFP® designations, and is a proud Memphis native deeply committed to his community — serving on boards including the Wolf River Conservancy, Memphis Botanic Garden, Assisi Foundation, and the Economic Club of Memphis.

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