duo-infra-cost-efficiency

Installation
SKILL.md

Infra Cost Efficiency

Most cost problems are not hard to fix. They are hard to see, hard to attribute to a person who could reverse them, and hard to argue for once seen. This skill owns that chain — attribution, framing, governance — not the rewrite at the end of it.

The order matters. Visibility first, because you cannot cut what you cannot name. Framing second, because a cut scored only in dollars will eventually cut something that was earning its keep. Technique last, because the specific moves below only pay off once someone is watching the number.

Seeing the spend

  • [[references/tag-every-dimension-at-hourly-granularity]] — a single aggregate number tells you nothing; tagged hourly spend aligns a cost change with a deploy window and makes two similar features comparable.
  • [[references/put-the-number-where-engineers-already-look]] — the count of eyes on the number is the lever, not the sophistication of the analysis; quote unit economics in each audience's own unit.

Framing the work

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Sep 22, 2026