Markets & Investing, resources
Five Financial Habits of Self-Made Millionaires
02 Aug 2026
Most advice about how millionaires handle money reads like a motivational poster. Wake up early. Read more books. Think positively. That’s all well and good, but it doesn’t tell you much about what actually happens when a self-made millionaire sits down to manage their finances on a Tuesday afternoon.
The reality is more practical and, frankly, more boring than the headlines suggest. Research from Tom Corley’s five-year study of 233 millionaires, 177 of them self-made, found that the habits separating wealthy individuals from everyone else aren’t glamorous. They’re repetitive, disciplined and grounded in a clear understanding of risk. Let’s take a closer look at five of the most common financial habits that keep coming up in the data.
They Keep More Cash Than You’d Expect
There’s a popular idea that wealthy people have every penny working for them in investments. In practice, self-made millionaires tend to hold a surprisingly large cash buffer. Studies suggest that millionaires may hold an average of around 25% of their wealth in cash and cash equivalents, though the figure varies widely depending on net worth and age. That’s far more than the standard advice of three to six months’ expenses.
Why so much? Because liquidity buys options. If a business opportunity lands in their lap or a market correction creates a buying window, they don’t need to sell existing holdings at a loss to act. They’ve got the cash ready. It also means they’ll never be forced into a bad decision because of a short-term cash crunch.
Financial advisers working with high-net-worth clients often report that their wealthiest clients hold six to nine months of living expenses in easily accessible accounts, and some go further. This isn’t about being cautious for the sake of it. It’s a calculated buffer that gives them room to act on their own terms, rather than reacting to whatever the market throws at them.
They Diversify, but Not How You’d Think
Diversification is Finance 101, but self-made millionaires don’t follow the textbook version blindly. A study published in the Journal of Financial Economics, based on a survey of over 2,400 US respondents each with at least $1 million in investable assets, found that on average they hold 53% of their portfolio in equities.
But here’s the interesting part: 15% of them held more than 10% of their net worth in a single company’s stock, and the most common reason was a belief that it would deliver higher returns.
So they diversify broadly, yes, but they’ll also concentrate where they have genuine conviction. They spread risk across asset classes like property, equities and fixed income, while allowing themselves to go heavier into positions they understand deeply. It’s diversification with conviction, not diversification by default.
They Automate the Boring Stuff
Most self-made millionaires don’t rely on willpower to stay disciplined. They automate everything they can. Direct debits into ISAs, pension contributions set to increase with pay rises, automatic rebalancing on investment platforms. By removing the need to make a decision every month, they take willpower out of the equation.
This is one of the simplest habits to copy, and one of the most effective. When saving and investing happen before you see the money, you’ll adjust your spending to what’s left. Self-made millionaires figured this out early, often from their first pay cheque.
They Know When to Manage Their Own Money
There’s a common assumption that wealthy people hand everything to a fund manager and move on. Some do, of course. But a study of wealthy investors published in the Journal of Financial Planning found that 29% preferred a mainly active investment style, compared to only 16% who preferred purely passive strategies. The rest used a mix.
Many self-made millionaires who started with modest incomes learned to trade and invest on their own before eventually choosing to work with a financial adviser as their finances became more complex. They opened brokerage accounts, studied markets, made mistakes and refined their strategies. That hands-on experience gave them a practical understanding of risk that you can’t get from reading a brochure.
For UK-based traders who want to take a more active role, comparing platforms and fee structures is a crucial first step. Comparison sites like Trading Brokers break down the differences between UK trading platforms, covering spreads, regulation and available instruments. Getting these basics right early on can save a significant amount in unnecessary costs over time.
They Treat Debt as a Tool, Not a Crutch
Self-made millionaires aren’t anti-debt. They’re anti-bad-debt. They’ll take on a mortgage to acquire a rental property or borrow to invest in their business when the expected return clearly justifies the cost. But they avoid consumer debt like the plague. Credit cards get paid in full every month. Car finance is avoided where possible, and when it isn’t, they’ll pay it off aggressively and keep the car long after the loan ends.
This distinction between productive and unproductive debt is one of the sharpest dividing lines in the research. Wealthy individuals tend to see borrowing as leverage for income-generating assets. The moment debt starts funding lifestyle rather than growth, they cut it off.
What the Research Actually Tells Us
The biggest lesson from studying self-made millionaires isn’t about any single habit. It’s that wealth accumulation is a system, and every part of the system connects to every other part. Liquidity buffers protect your investments. Automation protects your saving rate. Diversification with conviction balances risk and reward. Active involvement keeps you educated and engaged.
None of this requires a six-figure salary to start. What it requires is consistency, a willingness to learn, and the discipline to keep going when the results are slow. Most self-made millionaires didn’t get rich quickly. They got rich slowly, on purpose, by doing unremarkable things remarkably well.
