He Got a Raise, Spent More, Lost His Overtime — Then Came a $3,800 IRS Bill

The Facebook post was brief — just two sentences in a private group for Kansas City-area retirees and near-retirees. Carlos Ramos had written: “Got a…

He Got a Raise, Spent More, Lost His Overtime — Then Came a $3,800 IRS Bill
He Got a Raise, Spent More, Lost His Overtime — Then Came a $3,800 IRS Bill

The Facebook post was brief — just two sentences in a private group for Kansas City-area retirees and near-retirees. Carlos Ramos had written: “Got a raise last year and somehow ended up more broke than before. Anyone else deal with this?” By the time I sent him a direct message, 47 people had replied.

I reached out to Carlos in late February 2025, and he agreed to speak with me within an hour. That urgency, he’d later explain, was because a certified letter from the IRS had arrived at his apartment just ten days earlier. He wasn’t panicking — he’s not that type — but he was, as he put it, “running the numbers and not liking what I see.”

A Raise That Rewrote the Budget — In the Wrong Direction

When I sat down with Carlos Ramos over video call, the first thing he did was pull up a spreadsheet. He’d been a restaurant manager in Kansas City for 22 years, most recently overseeing a high-volume location that kept him working 50-plus hours a week. In March 2023, his employer bumped his base salary from $67,500 to $79,000 — a raise of roughly $11,500 that he’d been pushing for since 2021.

It should have been straightforward good news. Carlos is 65, single, lives with a roommate to split a $1,400-a-month apartment, and has no dependents. He’s not extravagant. But the raise coincided with something behavioral economists have documented for decades: when income rises, spending tends to follow it upward faster than savings do.

$11,500
Annual raise Carlos received in March 2023

$11,200
Annual overtime income lost in fall 2024

$17,400
Credit card debt accumulated by January 2025

“I upgraded my car payment. I started eating out more, which is embarrassing to say as a restaurant guy,” Carlos told me with a short laugh. “I told myself it was fine because I was making more. I just forgot that I was also spending about $900 a month in overtime pay that wasn’t guaranteed.”

That overtime — roughly $11,200 a year — had been a quiet pillar of Carlos’s budget for nearly six years. It wasn’t guaranteed income, but it had been consistent enough that he’d built his monthly obligations around it. When his employer reduced management overtime hours in September 2024 as part of a company-wide labor cost adjustment, that $900 a month vanished almost overnight.

When the IRS Letter Arrived

The certified letter landed on February 14, 2025. Carlos told me the date with a dry precision that suggested he’d replayed the moment several times. The IRS was notifying him of a balance due: $3,847 for tax year 2024, plus a $214 underpayment penalty.

What had happened was mechanical, not mysterious. When Carlos received his raise in 2023, he reduced his 401(k) contributions from 8% of salary to 4% — freeing up more take-home pay to cover his expanded lifestyle. That decision lowered his pre-tax deductions, effectively raising his taxable income. Meanwhile, his W-4 withholding hadn’t been recalculated to account for the shift. By the time 2024 ended, he had underpaid federal taxes by nearly $4,000.

“I thought I was being smart by keeping more in my paycheck. I didn’t think through what that meant come April. I’m supposed to be the one who reads the fine print.”
— Carlos Ramos, restaurant manager, Kansas City, MO

The underpayment penalty, per IRS Topic 306, applies when taxpayers pay less than 90% of the tax owed for the current year, or less than 100% of the prior year’s tax liability. Carlos had crossed that threshold by reducing both his withholding and his deductible retirement contributions simultaneously — two decisions that each made sense in isolation but compounded each other.

⚠ IMPORTANT
Reducing retirement contributions to increase take-home pay can raise taxable income and affect withholding accuracy. The IRS underpayment penalty rate for Q1 2025 was 8% annually, per IRS guidance. Taxpayers who owe back taxes have several resolution options including IRS installment agreements and the Fresh Start program.

Navigating the IRS — What Carlos Actually Did

Carlos did not call a tax attorney. He did not freeze. He opened IRS.gov and spent four hours on a Tuesday night reading through the agency’s payment options. This is consistent with the data-driven, self-reliant personality he described to me: “I’ve managed a staff of 34 people. I can read a government website.”

He applied for an IRS installment agreement online through the agency’s Online Payment Agreement tool. For balances under $50,000, the IRS allows qualified taxpayers to set up a long-term payment plan without needing to speak with an agent. Carlos was approved within 24 hours for a plan spreading his $4,061 total balance (including penalty) across 24 monthly payments of approximately $169.

He also updated his W-4 through his employer’s payroll portal, using the IRS Tax Withholding Estimator to recalculate the correct withholding amount for 2025 based on his reduced income. That adjustment, he estimated, would result in neither a large refund nor a bill next April — a neutral outcome he described as “the first time my taxes have felt under control in two years.”

Carlos’s Resolution Timeline
1
February 14, 2025 — IRS certified letter arrives. Balance due: $3,847 + $214 penalty.

2
February 18, 2025 — Carlos applies online for IRS installment agreement. Approved in 24 hours.

3
February 22, 2025 — W-4 updated via payroll portal using IRS Tax Withholding Estimator.

4
March 2025 — Carlos raises 401(k) contribution rate back to 7%, reducing 2025 taxable income by approximately $5,530.

5
Ongoing — Monthly IRS payment of $169. Credit card paydown plan targeting $17,400 balance over 30 months.

The Retirement Picture — and What He Still Regrets

Carlos has been contributing to a 401(k) since his early 40s, though inconsistently. At 65, his current balance sits at approximately $148,000 — a number he shared without embarrassment but described as “not where I thought I’d be.” The decision to lower his contribution rate in 2023 cost him not just in taxes but in compounding. He estimated, running his own rough calculation, that 18 months of reduced contributions set him back somewhere between $6,000 and $8,000 in eventual account value.

“That’s the part that stings,” he told me. “The IRS bill I can manage. It’s the retirement account that I look at and feel like I made a dumb decision.”

For 2025, employees aged 50 and older can contribute up to $31,000 to a 401(k) — $23,500 base limit plus a $7,500 catch-up contribution, per IRS guidance. Carlos’s current contribution rate of 7% on a $79,000 salary gets him to roughly $5,530 annually — well below the maximum, but a meaningful improvement over the $3,160 he was contributing at 4%.

KEY TAKEAWAY
Workers aged 50 and older can contribute up to $31,000 to a 401(k) in 2025, including a $7,500 catch-up contribution. Increasing pre-tax retirement contributions reduces adjusted gross income, which can directly lower federal tax liability and help avoid underpayment situations like Carlos faced.

He’s also now eligible for Medicare, having turned 65 in October 2024. He enrolled in Medicare Part A and Part B during his initial enrollment window, which runs for seven months surrounding one’s 65th birthday. He told me he almost missed the window because he was still covered under his employer’s group health plan and assumed he could wait. “A coworker mentioned it in passing. That’s the only reason I looked it up,” he said.

What Carlos Would Tell His 63-Year-Old Self

When I asked Carlos what he wished he had done differently, he didn’t hesitate. His answer wasn’t dramatic — no single catastrophic mistake, just a sequence of individually reasonable-seeming decisions that compounded against him.

“I would tell myself: don’t build your life around income that isn’t guaranteed. Overtime isn’t a salary. A raise isn’t permission to spend more. I knew that in theory. I just didn’t live that way.”
— Carlos Ramos, Kansas City, MO

He also wished he’d updated his W-4 the moment his contribution rate changed. The IRS provides a free Tax Withholding Estimator at IRS.gov that takes about 15 minutes to complete. Carlos told me he’d been aware of it for years and never used it until his situation forced his hand.

Carlos is realistic about where he stands. He’s 65, carrying $17,400 in credit card debt, paying $169 a month to the IRS, and working full-time with no immediate retirement date in sight. He doesn’t call his situation a recovery — more like a stabilization. “I stopped the bleeding,” he said. “Now I’m trying to figure out what comes next.”

When I ended our call, Carlos mentioned he’d replied to every person who commented on his original Facebook post. He wasn’t dispensing advice — just telling them what he’d learned and what resources existed. That, more than any spreadsheet, felt like the clearest expression of who Carlos Ramos is: someone who processes difficulty by making sure the next person is slightly better prepared than he was.

Related: She Lost $287 a Month in SNAP Benefits the Day Her Husband Stopped Working — Now She’s Drowning in Medical Debt

Related: He Counted on His $3,400 Tax Refund After His Wife’s Layoff — Then the IRS Put It on Hold

Frequently Asked Questions

What is the IRS underpayment penalty and how do I avoid it?

The IRS charges an underpayment penalty when you pay less than 90% of your current year’s tax liability or 100% of the prior year’s liability. For Q1 2025, the IRS penalty rate was 8% annually. The agency’s free Tax Withholding Estimator at IRS.gov can help you recalculate withholding whenever income or deductions change.
How does an IRS installment agreement work for balances under $50,000?

Taxpayers who owe less than $50,000 can apply online through the IRS Online Payment Agreement tool at IRS.gov. Approval typically comes within 24 hours. Interest continues accruing on the unpaid balance until it is fully resolved, so paying off the balance faster reduces total cost.
What is the 401(k) contribution limit for workers over 50 in 2025?

The IRS set the standard 401(k) limit at $23,500 for 2025. Workers 50 and older can add a catch-up contribution of $7,500, for a total of $31,000. Because contributions are pre-tax, they directly reduce adjusted gross income and lower federal tax liability.
When is the Medicare initial enrollment period for people turning 65?

The initial enrollment window spans seven months: three months before your 65th birthday month, the birthday month itself, and three months after. Missing this window can result in permanent Part B premium penalties of 10% for each 12-month period you were eligible but did not enroll.
Can reducing 401(k) contributions to increase take-home pay create tax problems?

Yes. Lowering pre-tax retirement contributions raises taxable income. If W-4 withholding is not updated to compensate, taxpayers may owe unexpected taxes at year-end plus a potential underpayment penalty. Carlos Ramos’s 2024 tax bill of $3,847 resulted in part from cutting his contribution rate from 8% to 4% without adjusting withholding.
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Vivienne Marlowe Reyes

Senior Tax & Stimulus Writer covering stimulus payments, tax credits, and IRS policy. M.S. Tax Policy Georgetown. Former U.S. Treasury analyst. Enrolled Agent.

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