From its $4.99 rotisserie chickens to its $1.50 hot dog combos, Costco has been a longtime favorite of price-conscious shoppers.

Amid rising food prices, inflation-pinched consumers are looking to make their money stretch further, much to Costco's advantage. The wholesaler ended the fiscal second quarter of 2023 with 123 million cardholders, up about 7% compared to a year ago, Richard Galanti, Costco's chief financial officer, said during the March 2 earnings call.

The retailer reported revenue of $55.27 billion for its fiscal second-quarter of 2023, missing analysts' prediction of $55.54 billion, according to Refinitiv consensus estimates. However, the company reported earnings per share (EPS) of $3.30, which surpassed the $3.21 analysts expected.

While the retailer isn't planning to raise its annual membership fees for now, shoppers may need to prepare to pay a bit more for membership in the future. When asked about a potential fee hike, Galanti said "it's a question of when, not if."

It's been nearly six years since Costco increased its membership fees. In June 2017, Costco raised the price of its Standard Gold Star membership from $55 to $60, and increased the price of its Executive membership from $110 to $120.

As of 2022, Costco is the third-largest retailer in the U.S. by sales revenue, according to the National Retail Federation's "Top 100 Retailers 2022 List."

What this means for investors

Costco posted its fiscal second-quarter results after the bell on March 2. The following day, shares declined slightly by 2.15% and ended the session trading at $475.26 per share.

Here's how much money you'd have as of March 3 if you had invested $1,000 into the company one, five and 10 years ago.

If you had invested $1,000 into Costco a year ago, your investment would be worth about $898 as of March 3, according to CNBC's calculations.

If you had invested $1,000 into Costco five years ago, your investment would have more than doubled to $2,639 as of March 3, according to CNBC's calculations.

And if you had put $1,000 into Costco a decade ago, it would have swelled to $5,124 as of March 3, according to CNBC's calculations.

Investors should do their research

If you're interested in investing in Costco, Walmart or another company, remember: The stock market is unpredictable, and you shouldn't use a stock's past performance to predict how well it will do in the future.

A passive investment strategy tends to make sense for most investors, rather than selecting individual stocks. Experts typically recommend investing in low-cost index funds, which can give your portfolio exposure to a broad array of companies.

Investing in the S&P 500 can be a great place to start, for example. It's a market index that tracks the stock performance of 500 large American companies, which can introduce diversity to your portfolio.

As of March 3, the S&P 500 declined slightly by a little over 7% compared to 12 months ago, according to CNBC's calculations. However, the index has increased by about 50% since 2018 and grown by about 166% since 2013.

Get CNBC's free Warren Buffett Guide to Investing, which distills the billionaire's No. 1 best piece of advice for regular investors, do's and don'ts, and three key investing principles into a clear and simple guidebook.

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