Costco gross margin cap
Costco internally caps markup at 14% above supplier cost (vs. 100% at department stores and 25% at Walmart), with a target gross margin of around 11%.
Where this was said
Membership Psychology, the 14% Cap, and the Code of Ethics
At 1:24:12 · chapter starts 1:22:45
The membership fee's most interesting effects are the unintended ones: requiring upfront payment selects for households with both income ($125K average, 70% above the US median) and home storage space, while the endowment effect ensures prepaid members come back more often to 'justify' their purchase. Combined with the difficulty of stealing large-format goods, membership also contributes to Costco's astonishingly low 0.15% shrinkage rate. On pricing, Ben explains Costco's strict internal rule — maximum 14% markup above supplier cost, targeting 11% gross margin — and contrasts it with 25% at Walmart and 100% at department stores. Jim Sinegal's 'heroin' quote about raising prices encapsulates why the discipline has held for 40 years: once broken, the temptation compounds. The Code of Ethics is traced to a mid-1980s brush with the Washington State Liquor Control Board, which tried to deny Costco an alcohol license and failed to find any misconduct — reinforcing to management how profitable it is to be genuinely above reproach. The four tenets — obey the law, take care of members, take care of employees, respect suppliers (shareholders deliberately excluded) — are direct descendants of Sol Price's FedMart priority system.
The 14% Markup Cap: A Voluntary Constraint That Builds an Unbreakable Moat
Costco internally caps markup at 14% above supplier cost — targeting 11% gross margin — while Walmart runs 25% and department stores commonly run 100%. Jim Sinegal compared the temptation to raise prices to heroin: you do a little, then you want more. By voluntarily constraining its own margins for 40 years, Costco has built a trust-based relationship with members that no competitor can easily replicate.
Jim Sinegal's Coffee with Jeff Bezos Changed Amazon Forever
In 2001, with Amazon stock in the dumps and the company raising prices to reach profitability, Jeff Bezos had a coffee with Jim Sinegal at a Barnes & Noble Starbucks in Bellevue. Sinegal explained Costco's philosophy of always working to charge customers less. The next day, Bezos reversed Amazon's price-increase policy and declared: 'There are two types of companies — those that work hard to charge more, and those that work hard to charge less. Amazon is the latter.'
The Supplier Relationship: Tough But Fair, and Never Playing Games
Because Costco carries so few SKUs, each buyer manages a very small number of supplier relationships in extraordinary depth — tracking commodity prices for ingredients, calling back when cocoa prices fall to negotiate lower prices for members. Unlike Walmart's adversarial squeeze model, Costco's approach is 'tough but fair': suppliers trust that Costco won't mark up their product 50% after negotiating hard on price. When Costco cuts costs, 89 cents of every dollar saved goes to members.
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