Kevin O'Leary has built a reputation for sharp one-liners that cut straight to the truth, and his latest financial confession is highly relatable. He says the single best habit he wishes he had started sooner was to stop wasting money buying pointless things and invest it instead.
Let's explore what O'Leary really means and how this single habit could reshape your financial future and eliminate some money stress.
Get instant access to hundreds of discounts
Over 50? Join AARP today— because if you’re not a member you could be missing out on huge perks like discounts on travel, dining, and even prescriptions.
Get 25% off membership — just $15 for your first year with auto-renewal — and a free gift if you join today.
The one habit Kevin O'Leary wishes he started earlier
O'Leary sums up his philosophy in a few words: Don't buy crap you don't need.
According to O'Leary, many people unknowingly sacrifice decades of compound growth for purchases that bring only brief satisfaction. Money left in the stock market for 20 years can grow dramatically through compounding. Historical market returns often grow 8% to 12% annually over long periods, meaning invested dollars can multiply several times without additional effort.
Stop spending on things you don't need
It sounds obvious, yet it pushes against habits many people barely notice. Convenience purchases and small "treat yourself" moments quietly drain money that could serve a bigger purpose later.
O'Leary's point is that the real loss is not the item. It is the investment growth that never happens. Redirecting even $50 or $100 a week into long-term investments could compound into thousands of dollars and create more security in retirement.
Delayed gratification can be a wealth strategy
When O'Leary talks about buying "crap," he means everyday purchases that fade fast and add little lasting value. Think of spending $100 each week on impulse shopping or takeout. Over a year, that equals about $5,200.
Invested annually for 20 years at roughly 8% growth, it could grow to more than $230,000. What disappears is not just the cash, but the future wealth it could have built. Here are some ways to put this into practice.
Resolve $10,000 or more of your debt
National Debt Relief could help you resolve your credit card debt with an affordable plan that works for you. Just tell them your situation, then find out your debt relief options.1 <p>Please note that all calls with the company may be recorded or monitored for quality assurance and training purposes. Clients who are able to stay with the program and get all their debt settled realize approximate savings of 45% before fees, or 20% including our fees, over 24 to 48 months. All claims are based on enrolled debts. Not all debts are eligible for enrollment. Not all clients complete our program for various reasons, including their ability to save sufficient funds. Estimates based on prior results, which will vary based on specific circumstances. We do not guarantee that your debts will be lowered by a specific amount or percentage or that you will be debt-free within a specific period of time. We do not assume consumer debt, make monthly payments to creditors or provide tax, bankruptcy, accounting or legal advice or credit repair services. Not available in all states. Please contact a tax professional to discuss tax consequences of settlement. Please consult with a bankruptcy attorney for more information on bankruptcy. Depending on your state, we may be available to recommend a local tax professional and/or bankruptcy attorney. Read and understand all program materials prior to enrollment, including potential adverse impact on credit rating. "Debt-Free" applies only to enrolled credit cards, personal loans, and medical bills. Not mortgages, car loans, or other debts. Results vary.</p>
Sign up for a free debt assessment here.
Cut unused subscriptions and memberships
On average, Americans spend $1,900 annually on subscriptions. Unsurprisingly, most underestimate subscription-related monthly costs by roughly $51, allowing small charges to slip by unnoticed.
Canceling just $40 per month can free up about $500 each year for investing. Left to grow for 15 years at moderate returns, that simple change alone could compound into tens of thousands and provide meaningful support for long-term retirement security.
Reduce frequent takeout and convenience spending
Spending $25 on takeout four times a week totals about $5,000 per year and often replaces healthier, lower-cost meals prepared at home. Cooking more regularly can support better nutrition while redirecting meaningful cash toward retirement accounts.
Invested consistently for 20 years, those savings could exceed $200,000, depending on your rate of return. The shift does not require eliminating dining out completely. Even a partial reduction can create a meaningful long-term impact.
Avoid impulse buys that delay financial freedom
Unplanned purchases often deliver only brief satisfaction. Spending $200 a month on impulse buys, such as clothing or gadgets, can easily add up to $2,400 a year.
With a rate of return of 8% to 12%, that habit invested could grow to roughly $65,000 to $90,000 in 15 years. A short pause before buying helps shift decisions from emotion toward long-term financial control.
Downsize everyday lifestyle inflation
As income rises, spending tends to rise with it. Larger homes, pricier vacations, and constant upgrades become normalized rather than intentional. Suddenly, a $60,000 lifestyle turns into $75,000, leaving little room for saving despite higher earnings.
O'Leary frequently warns that lifestyle inflation can prevent wealth-building. Holding spending steady while income grows allows the extra money to flow into investments, accelerating long-term financial stability without extreme sacrifice.
Forego driving costs that quietly drain savings
High car payments, frequent upgrades, and expensive insurance consume a large part of the monthly income. In Q3 2025, the average new car payment was $748, compared with $532 for a used car.
Choosing a reliable used vehicle could save over $200 each month. Invested over 20 years, that difference could grow into more than $150,000, making transportation choices a key factor for wealth-building.
Automation can remove the stress of discipline
Automatic transfers into retirement or investment accounts remove the need for constant decision-making. Your money simply moves before it can be spent elsewhere. This approach reduces emotional interference and builds progress quietly in the background.
Many successful savers rely on automation because it transforms good intentions into consistent action without requiring daily attention or willpower.
Earn $200 cash rewards bonus with this incredible card
The Wells Fargo Active Cash® Card (Rates and fees) has no annual fee and you can earn $200 cash rewards bonus after spending $500 in purchases in the first 3 months.
Cardholders can also earn unlimited 2% cash rewards on purchases.
The best part? There's no annual fee.
Bottom line
Kevin O'Leary's best money habit is deceptively simple but highly effective. Many people reach their 50s or 60s and wonder where their money went. Yet consistently redirecting even $50 to $100 into retirement accounts can grow into substantial savings over time.
Following this habit helps you keep more of your hard-earned cash while building long-term wealth. The key is consistency, and starting sooner makes the habit even more powerful.
More from FinanceBuzz:
- Retire like the rich: 14 ways you could build wealth in your 50s.
- Find out if you could pay less for car insurance in just a few clicks.
- Make these 7 savvy moves when you have $1,000 in the bank.
- 14 moves seniors could benefit from but often forget about.
Add Us On Google