Cloud

A Practical Guide to Cutting Your AWS Bill

7 min read 2026-03-19 Leo Martins

Cloud cost audits tend to find the same patterns repeated across different companies. Before assuming you need a major re-architecture, these are the checks that typically deliver the fastest, lowest-risk savings.

Right-sizing is usually the biggest win

Instances provisioned for peak load that run at a fraction of capacity most of the time are the single most common source of waste we find - right-sizing alone often cuts compute costs significantly.

Reserved capacity and savings plans

For predictable, steady-state workloads, reserved instances or savings plans typically cut costs substantially compared to on-demand pricing, with minimal operational change required.

  • Right-size instances based on actual utilization data, not initial estimates
  • Apply reserved pricing to predictable, steady-state workloads
  • Set up billing alerts before costs spike, not after

Storage and data transfer are the quiet costs

Unused snapshots, orphaned volumes and cross-region data transfer often account for a surprising share of the bill - usually invisible until someone actually audits them.

LM
Leo Martins

Cloud & DevOps Lead at OWL IT Solutions

Frequently Asked Questions

Monthly at minimum for actively growing infrastructure - costs drift quickly as new services and features are added.

Not usually - most of the savings we find come from eliminating waste, not from reducing redundancy or reliability.

Discussion

Comments

JK
Jamie King2 days ago

Really useful breakdown - the point about right-sizing is usually the biggest win matches exactly what we ran into last quarter.

LM
Leo Martins1 day ago

Glad it was useful, Jamie - happy to go deeper on that if you want to book a call.

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