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The cost of adding a feature isn't just the time it takes…

“The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. ... The trick is to pick the features that don't fight each other.” quote by John Carmack
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“The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. ... The trick is to pick the features that don't fight each other.”

John Carmack

About This Quote

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

Feature addition incurs hidden costs, creating future constraints; choose compatible features to avoid conflict.

In simple terms: Adding features can block future growth; pick ones that work together.

Key Takeaway

Select features that complement each other.

Themes

software design tradeoffs future-proofing

Mood

analytical practical

Type

guidance technical

When to use this quote

  • product planning
  • feature prioritization
  • software engineering
  • project management

Key Concepts

technical debt system architecture

Questions to Reflect On

  • Which features could hinder future expansion?
  • How can you evaluate feature compatibility early?
A Different Perspective

May underestimate long‑term maintenance effort.

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