Costco shoppers have spent years swapping tips about which locations hand out the best samples, which managers let a nearly expired membership slide, and how to game the return policy.
The warehouse giant has been tightening the screws on membership sharing, scanning cards at the door, and pushing more of its treasure-hunt appeal behind its paid tiers.
Costco now asks members to scan their card or app at entry in a growing number of warehouses, and self-checkout lanes require a membership photo to match.
The company says the goal is keeping non-members from freeloading on a fee that runs $65 for the basic tier and $130 for Executive.
In practice, that means the friend who used to borrow your card for a weekend run is out of luck.
Here's where the math gets uncomfortable for casual shoppers.
If you visit four or five times a year, the membership fee is easy to justify on a single big-ticket purchase.
But Costco's real margin comes from the annual fee itself, not the rotisserie chicken.
Roughly half the company's operating profit has historically come from membership revenue, which is why the warehouse keeps raising prices and adding perks to keep you renewing rather than actually cutting the cost of the goods.
Costco's famous $1.50 hot dog and $4.99 chicken have stayed cheap for decades, but those are loss leaders designed to get you through the door.
The bulk pricing on paper towels and detergent is genuinely competitive.
The electronics, furniture, and seasonal items are where the margins hide, and where a "deal" can evaporate once you factor in the membership, the gas to get there, and the impulse buys you didn't plan on.
There's also the return-policy tightening that flew under the radar.
Costco has quietly added restrictions on returning certain electronics after 90 days, and it tracks members who abuse the system.
That's not unreasonable for a retailer, but it undercuts the "buy it, try it, return it" confidence that made people comfortable spending $400 on a patio set they weren't sure about.
The disciplined shopper with a list, a full freezer, and a household of four or more.
The loser is the single person or couple who joined for the vibes and now pays $65 a year to buy a 48-pack of something that spoils before they finish it.
Costco is not a charity, and it has never pretended to be.
The mistake is treating a membership as a savings account rather than a subscription.
The smarter play is to run your own numbers before renewing.
Add up what you actually bought last year, subtract what you'd have paid at a regular grocery store or on Amazon, and see if the gap beats the fee.
For big families, it probably will, and the gas savings alone can cover the membership.
It's a well-run business doing exactly what shareholders want, which is extracting more revenue from the same customers.
The lesson for shoppers is the same one that applies to every warehouse club: the deal is real only if you were going to buy the thing anyway. **The bottom line:** Costco's tightening isn't a betrayal, it's a business model finally showing its seams.
If you're renewing on autopilot, you're probably paying for a feeling rather than a discount.
Final Thoughts
Do the math once, honestly, and let the receipt decide.