3 Ways Mark Cuban and Other Millionaires and Billionaires Protect Their Wealth

Businessman MARK CUBAN speaks at a small business roundtable for the Kamala Harris for President campaign in Phoenix, Arizona.
Gage Skidmore/ZUMA Press Wire / Shutterstock / Gage Skidmore/ZUMA Press Wire / Shutterstock

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Considering that he’s worth an estimated $5.7 billion, entrepreneur and investor Mark Cuban probably doesn’t have a lot of money worries. But even when Cuban was “only” a millionaire, he heavily emphasized protecting his wealth to ensure a lifetime of financial security, and he still adhered to many of those early habits.

As CNBC recently reported, Cuban crossed the millionaire threshold in 1990 when he sold his software company, MicroSolutions, for $6 million and personally netted about $2 million. Even though Cuban was still in his early 30s at the time, he aimed to take the long view with his money.

“One thing I learned from my dad is that time is the most valuable asset you don’t own,” Cuban told columnist and content creator Jules Terpak in a video interview. “So I made $2 million and I literally remember calling up my broker … and said I want you to invest for me like a 60-year-old. I want to live off this for a long time.”

Less than a decade later, Cuban joined the billionaire class by selling another of his businesses, Broadcast.com, for more than $5 billion.

Investing for the long term is one way Cuban, now 66, protected his wealth as a millionaire. Here are three other ways he and other wealthy safeguard their wealth.

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Don’t Overspend

Even now, as a multibillionaire, Cuban doesn’t spend money on luxuries he doesn’t want or need. As he told CNBC, he doesn’t own a yacht or hire butlers or even house cleaners. Most of his time is spent with family or running Cost Plus Drugs, an online pharmacy designed to make prescription drugs more affordable.

“I think less about making money and more about direction … to benefit as many Americans as I can,” Cuban said.

Indeed, many millionaires are frugal.

Plan Strategically

In a 2024 column for Forbes, Blake Harris, an asset protection attorney and founding principle of Blake Harris Law, wrote that millionaires “don’t leave things to chance.” Instead, they “plan meticulously.”

Harris referred to a 2023 survey of 580 Americans by Ameriprise which found that 80% of respondents with a minimum of $1 million in investable assets identified financial planning as a “key factor” in their wealth accumulation. Creating a comprehensive plan for protecting wealth often includes maintaining enough liquidity to alleviate risks, insuring your assets, protecting personal and business assets through offshore trusts, and developing a comprehensive estate plan.

Maintain a Diverse Portfolio

This applies to any investor, regardless of how much money you have. But it’s especially important to millionaires because a diversified portfolio ensures you don’t take a huge financial hit when one asset class takes a dive.

“Millionaires diversify their assets by distributing them among various classes such as stocks, bonds, real estate, etc.,” Harris wrote. “In my experience, I’ve found that many also diversify assets across different jurisdictions such as the U.S., Switzerland and the Cayman Islands. This approach minimizes the risks associated with economic fluctuations and regulatory changes.”

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Affluent households typically allocate about 65% of their investable assets (excluding real estate) to stocks and 25% to bonds, according to Harris.

“Spreading investments across diverse asset classes and geographical locations can reduce portfolio risk while simultaneously preserving or enhancing the potential for positive returns,” he wrote.

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