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No one knows the cost of a defective product - don't tell…

“No one knows the cost of a defective product - don't tell me you do. You know the cost of replacing it, but not the cost of a dissatisfied customer.” quote by W. Edwards Deming
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“No one knows the cost of a defective product - don't tell me you do. You know the cost of replacing it, but not the cost of a dissatisfied customer.”

W. Edwards Deming

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The hidden cost of defects lies in customer dissatisfaction, not just replacement expenses.

In simple terms: Defects harm reputation and loyalty.

Key Takeaway

Prioritize quality to protect customers.

Themes

quality customer satisfaction cost business process improvement

Mood

analytical practical

Type

business educational

When to use this quote

  • product design
  • service industry
  • manufacturing
  • retail

Key Concepts

total quality management economics customer experience

Questions to Reflect On

  • How can you measure hidden dissatisfaction?
  • What systems prevent defects early?
A Different Perspective

Focusing only on replacement costs ignores long‑term brand damage.

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