FinOps brings financial accountability to cloud spending. Without it, cloud costs grow unchecked. This beginner's guide covers the essential FinOps practices every cloud team needs in 2026.
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Cultural practice bringing engineering, finance and business together for real-time cloud spending decisions. Three phases: Inform (where is the money going?), Optimise (are we getting value?), Operate (is it getting better?). Not about cutting — about maximising value.
Without tags, cloud costs are a mystery. Mandatory tags: cost-centre, owner, environment, project, application. Enforce with policy (Azure Policy, AWS SCPs, GCP Org Policies) — not documentation. TCOIQ identifies untagged resources immediately.
Set alerts before needed. Configure at: 80% of monthly budget (warning — investigate), 100% (breach — take action), 120% (critical — escalate). Alert by subscription/account, cost centre, project. AWS Budgets, Azure Cost Management, GCP Budget Alerts — all free.
Monthly meeting: review spend by cost centre, compare to budget, identify top spending services, review unused resources, review RI utilisation, plan next month's rightsizing and RI purchases. This single practice reduces cloud growth rate by 15-25%.
Delete stopped instances stopped more than 30 days, release unattached Elastic IPs, enable S3/Blob intelligent tiering, enable rightsizing recommendations, set budget alerts on all accounts. Typically saves 8-15% immediately with zero risk.
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