Costco Gas Is Cheaper. The Bigger Financial Lesson Is Even More Valuable.

Lucas Bucl CFP®, Chief Investment Officer at Aspyre Wealth Partners was asked to provide insight for a recent article on CNBC. According to to the publication, Costco’s gasoline prices averaged about 9 cents per gallon below major local competitors and roughly 24 cents below state averages over the past year. If you’ve filled up at Costco recently, you’ve probably noticed the savings.

As gas prices remain volatile, it’s no surprise more drivers are choosing Costco to help stretch their budgets.

But there’s another lesson hiding behind those lower gas prices. It’s one that applies to every financial decision you make.

Why Does Costco Sell Gas So Cheap?

Costco isn’t simply trying to win the gas business. The company uses fuel as a way to strengthen the value of its membership. Members who purchase gasoline tend to visit warehouses more often, spend more over time, and renew their memberships at higher rates than members who don’t.

In other words, the inexpensive gasoline isn’t the end goal. It’s the beginning of a customer relationship. That’s a smart retail strategy. But it also highlights an important behavioral finance principle.

The Savings Only Matter If You Keep Them

As Lucas explained:

“Costco’s approach is straight out of the traditional retail playbook — bring in customers with an attractive deal or sale. Retailers know that impulse buying can lead to purchases shoppers didn’t intend to make.”

Saving money on gas feels productive. But if those savings lead to an unplanned shopping cart full of items you didn’t intend to buy, the financial benefit quickly disappears.

That’s why Lucas recommends having a shopping list before entering the warehouse. The real opportunity isn’t simply spending less. It’s spending intentionally.

“If it saves you a trip, it is a good thing,” Bucl says. “However, resist the urge to cruise the aisles and browse.”

Behavioral Finance Matters More Than Most People Realize

Many people think financial success comes from finding the lowest prices or earning the highest investment returns. Research consistently suggests something different.

Long-term financial outcomes are often influenced more by behavior than by finding the perfect investment or the perfect bargain. Small decisions made consistently can have a greater impact than occasional big wins.

That’s why successful financial planning isn’t just about numbers. It’s about understanding the habits that shape your financial life.

Questions worth asking that may seem simple, but can have a meaningful effect on your finances:

• Am I buying because I planned to or because I’m reacting to a deal?
• Is this purchase solving a real problem?
• Would I have bought this item if it weren’t on sale?
• Does this purchase support my long-term goals?

Small Decisions Create Long-Term Results

Saving a few dollars every time you buy gas may not seem significant. Neither does avoiding one impulse purchase. But financial progress rarely depends on one large decision. It usually comes from hundreds of small choices repeated over years.

That’s true whether you’re building wealth, preparing for retirement, changing careers, or managing executive compensation. Every financial decision either moves you closer to the life you want or farther away from it.

Financial Planning Is About More Than Saving Money

At Aspyre Wealth Partners, we believe wealth should be measured by more than account balances.

Our Life-First Financial Planning approach begins with your goals, your career, your family, and the life you want to create. Investments, taxes, retirement planning, and spending all coordinate together to support those priorities.

Finding ways to save money matters. Making intentional financial decisions matters even more. That’s how small decisions become meaningful progress.

Frequently Asked Questions

Why is Costco gas usually cheaper?

Costco uses competitively priced gasoline to increase the value of its membership program. Members who purchase fuel tend to visit warehouses more often, spend more overall, and renew memberships at higher rates.

Is Costco gas worth the membership?

For many households that drive frequently, fuel savings can offset a significant portion of the annual membership fee. The value depends on how often you fill up and whether you avoid unnecessary purchases inside the warehouse.

Can impulse buying eliminate gas savings?

Yes. Spending an extra $30 or $50 on unplanned purchases can easily outweigh the savings from filling your tank at a lower price. Creating a shopping list and sticking to it helps preserve those savings.

What is behavioral financial planning?

Behavioral financial planning recognizes that emotions, habits, and everyday decisions often have a greater influence on financial success than investment performance alone. A good financial plan helps people make intentional decisions that align with their long-term goals.

How can I make smarter everyday financial decisions?

Start by asking whether each purchase supports your priorities, fits your budget, and contributes to your long-term financial plan. Consistent, intentional decisions typically produce better outcomes than chasing occasional bargains.

Read the full article on CNBC.