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Sadie Brooks

Sadie Brooks covers consumer companies and the economics behind familiar shopping experiences. Her writing looks beyond popularity to costs, returns and repeat orders. Away from the business pages, Sadie enjoys gardening and picnics in the park that require a few too many containers.

Costco’s membership fees grew faster than its member base. What changed?

October 12, 2026October 12, 2026 By Sadie Brooks 8 min read
Two adults and a child selecting groceries beside a shopping trolley.

Costco’s membership fees rose faster than its paid-member count. Pricing, upgrades and accounting timing explain why the two measures tell different stories.

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Recent Posts

  • Falling UK inflation doesn’t mean falling prices: how to read October’s ONS release
  • Copilot’s usage bill makes the AI software margin question harder to ignore
  • A reverse split raises the share price. What happens to ownership?
  • A busy stock-tip chat is not independent evidence
  • Oracle’s cash-flow surge carries a customer-prepayment question

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