Cloud costs are an architecture decision

Key points

• Most cloud cost is fixed by design decisions made before migration.
• Cost reviews work best when every account has a named owner.
• Right-sizing after the fact recovers only part of the waste.

Why design comes first

Choices about data movement, service tiers and how environments are built decide most of the monthly bill. Changing them later means rework, so they deserve the same scrutiny as security and resilience.

Making cost part of the routine

Give every account an owner, review spending monthly against plan, and show costs to the teams who build. Small, regular corrections beat large clean-up projects.

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