Mark Cuban's Blunt Warning About a Common Cost That Could Be 5 Times Higher Than Your Taxes

Think federal income taxes are one of the biggest expenses eating into your paycheck? Mark Cuban says healthcare could be costing American families considerably more.

The billionaire entrepreneur argues that families often underestimate healthcare costs by focusing on insurance premiums alone. With family health insurance costs climbing in 2026, his warning raises an important question about how those expenses could eat into the savings you're counting on to fund your retirement plan.

Mark Cuban calls healthcare a major problem

Cuban has been outspoken about the financial burden of America's healthcare system, calling it one of the country's biggest problems.

"Some people think helping Americans get out of this healthcare mess we are in is important. In fact, I think it's the most important issue Americans face," he wrote in a 2025 post on X.

Cuban says healthcare could cost 5x more than federal income taxes

To illustrate his point, Cuban made a striking comparison for families who consider federal income taxes their biggest expense.

"Healthcare will cost the typical American Family of 5, 5x what they pay in federal income taxes. BEFORE deductibles and max out of pocket," the billionaire investor wrote.

He also highlighted the expense employers face. "It will cost your employer 30k for that same family. Leaving a lot less money to pay to you."

Of course, his five-times comparison won't apply to every household. Income, tax credits, insurance coverage, and medical needs can all make a difference. Still, recent insurance figures help explain why he's so concerned.

Family health insurance now costs more than $28,000 annually

The latest KFF report, published in October, found that the average annual premium for employer-sponsored family health coverage reached $28,303 in 2026, up 5% from 2025.

The good news is that workers don't pay the entire amount. Employers cover most of it, while employees contribute an average of $7,471 annually, or roughly $623 per month. Still, that's $621 more than workers paid in 2025, and it doesn't include deductibles, copays, or prescriptions.

The employer's contribution is easy to overlook because it never reaches your paycheck. While it isn't a direct household expense, it helps explain Cuban's argument that healthcare costs can leave companies with less money for employee compensation.

Having insurance doesn't mean you can afford healthcare

Perhaps Cuban's biggest concern is what happens when Americans need to use the insurance they're already paying for. He warned that people with high deductibles and high out-of-pocket limits can face serious financial trouble unless they're wealthy.

"Really tough when most people who don't qualify for Medicaid barely have $500 in the bank and avoid going to the doctor and just get sicker," the former Shark Tank star wrote.

That $500 figure is Cuban's characterization, not a verified national average. Still, his concern is clear: Having health insurance doesn't necessarily mean having enough savings to cover an unexpected medical bill.

Consider your plan's out-of-pocket maximum. That's generally the most you'll pay for covered in-network services during the year, excluding premiums. In 2026, an HSA-eligible family plan can have an out-of-pocket maximum as high as $17,000.

Calculate what healthcare really costs your family

One way to put Cuban's warning into perspective is to calculate your household's annual healthcare spending, starting with your insurance paycheck deductions. Then add deductibles, copays, coinsurance, prescriptions, and medical services your insurance doesn't cover.

For example, suppose your family pays $7,500 annually toward premiums, plus another $3,000 for appointments, prescriptions, and other medical expenses. That's $10,500 per year, or $875 monthly.

And that's before considering the portion your employer pays toward coverage, which represents an additional benefit cost rather than money coming directly from your budget.

Seeing the full amount can help you identify how much of your income is going toward healthcare and whether you need to adjust other spending priorities.

Make room for healthcare in your savings plan

Cuban's warning is also a reminder that medical expenses deserve a place in your emergency savings strategy. Check your deductible and out-of-pocket maximum, then consider how much you could realistically pay without relying on credit cards.

If you qualify for a health savings account (HSA), you could also set money aside specifically for eligible medical expenses. In 2026, eligible families can contribute up to $8,750, while individuals can contribute up to $4,400.

Healthcare costs could change substantially in retirement, particularly if you stop working before qualifying for Medicare at 65. Planning for these expenses now could help protect your savings later.

Bottom line

Mark Cuban believes Americans are underestimating healthcare costs, and the latest figures show why his warning deserves attention. Employer-sponsored family coverage now averages more than $28,000 annually, with workers paying thousands themselves before additional medical expenses.

You can't control every healthcare bill, but you can get a clearer picture of what you're spending. Reviewing your premiums, medical expenses, and potential out-of-pocket costs could help you identify opportunities to free up your retirement budget while building a savings cushion for your family's needs.

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