Advisers Warn $1.6 Million All-Treasury Plan Risks Inflation Losses

A retired couple's plan to put their entire $1.6 million nest egg into 5% Treasury securities, and never touch the principal, is drawing scrutiny from financial planners over what inflation could do to the plan's real value, according to a report from 24/7 Wall St..

What are the parents planning to do with $1.6 million?

According to the report, the couple wants to park the full $1.6 million in 5% Treasury securities and leave the principal untouched indefinitely, treating the sum as a permanent income-generating base rather than a balance to be drawn down over retirement. The strategy, described by the adult children seeking outside advice, reflects a preference for safety and simplicity over market exposure.

How much income would an all-Treasury portfolio produce?

The report puts the resulting income at $83,000 a year, a figure consistent with holding $1.6 million in interest-bearing government debt without ever drawing on the underlying principal. That income stream, left unmanaged, stays fixed in nominal dollars from one year to the next, even as prices across the economy continue to rise.

Why does 3% inflation cut the plan's purchasing power to $40,000?

The arithmetic problem, as laid out in the report, is that a static $83,000 payout loses ground every year inflation runs above zero. At an assumed 3% annual inflation rate, the report calculates that the same $83,000 would buy only about $40,000 worth of goods and services in today's dollars by 2051. The Treasuries themselves do not lose value — interest and principal are backed by the U.S. government — but the income they throw off buys progressively less with each passing year, a dynamic standard in fixed-income planning known as purchasing-power erosion.

That gap matters most to households that plan to live on the interest alone for decades. A retiree in their sixties or seventies today could reasonably expect to still be drawing on that income in the 2050s, by which point, under the report's 3% inflation assumption, roughly half of the portfolio's real spending power would be gone.

What alternatives do financial planners suggest?

The report notes that a fixed-rate Treasury ladder is only one way to generate retirement income, and it is not the only option built around government-backed safety. Treasury Inflation-Protected Securities, or TIPS, adjust their principal with the Consumer Price Index, which means the income they generate rises alongside the cost of living rather than staying flat. Unlike a plain 5% Treasury note, TIPS are designed specifically to address the erosion problem the report describes, though they typically carry a lower starting yield than nominal Treasuries in exchange for that inflation protection.

Other approaches mentioned in broader retirement-income planning include blending bonds with a modest allocation to dividend-paying equities or diversified funds, which can offer a rising income stream over time even though they carry more short-term price volatility than Treasuries. Readers weighing sector exposure alongside fixed income can see how a single-sector fund behaves over a market cycle in The Wealthy Will's look at the Vanguard Utilities Index Fund ETF, a sector often used by income-focused investors for its steadier dividend profile.

What should families weigh before locking into long-term Treasuries?

The core tension identified in the report is between nominal safety and real-dollar safety. All-Treasury portfolios eliminate default risk and market-price swings, which is precisely why the parents in the report favor the approach. But a strategy that never adjusts for inflation, and never touches principal even partially, effectively locks in a shrinking standard of living if the 3% inflation assumption holds over a 25-year horizon.

Financial planners generally recommend that any household making this decision run the numbers over its own expected time horizon, rather than assume a fixed income figure will feel the same in year 25 as it did in year one. For a couple in their sixties or seventies, a horizon stretching to 2051 is not unusual, which is why the report frames the all-Treasury plan as a decision with consequences that will not be felt immediately, but will compound every year that prices rise and the payout does not.

Artiglio is A coming-soon iPhone chief of staff for briefings and drafts. Not on the App Store yet.