Costco Wholesale
Costco's profit is not in the merchandise. It is in the membership renewal rate. That single number explains why the business survives recessions that flatten every other retailer.
Membership fee income is compounding again after the increase, but the multiple leaves almost no room for a stumble.
Strip the warehouse theatre away and Costco is a subscription business that happens to sell groceries at cost. Merchandise gross margin is deliberately thin — near 11% — because the point is to make the value so obvious that members renew without thinking. The fee income is almost pure profit and it arrives before a single pallet moves.
The renewal rate is the moat made visible. When global renewal sits in the low nineties and executive members renew even higher, the model becomes self-funding: fees pay for the operating cost of the warehouse, merchandise margin pays the rest, and the company can keep undercutting everyone.
The valuation problem
The rest of the Costco Wholesale thesis
Includes the risks we think matter, the numbers we check each quarter, and the exact conditions under which we would sell.
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