Small AWS resources can keep generating charges after the work that created them is finished. Vlad Z.’s DEV Community post, “Small and easy fixes are worth more than they look,” makes that operational point with examples such as idle public IPv4 addresses, NAT Gateways, old AMIs, CloudWatch dashboards and small Lambda functions. Its monthly totals of $400, $600 and $800 are illustrative amounts from the post—not typical bills or independently verified savings.
Why small AWS charges deserve a look
A resource does not need to be expensive on its own to matter. A recurring charge can persist month after month when its original purpose has ended, so a collection of modest costs may be worth investigating even when none seems important enough to justify a meeting or a sprint.
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The post’s examples are prompts for an account review, not proof that any listed resource is unused. A dashboard, image, function or gateway may still support production, recovery, monitoring or compliance. The practical question is whether the resource is still needed—and what depends on it.
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Public IPv4 addresses
AWS’s current Amazon VPC pricing page lists a charge of $0.005 per address-hour for both idle and in-use public IPv4 addresses. AWS calculates the charge in one-second increments, with a 60-second minimum. The rate applies to the listed public IPv4 pricing; check the page and your bill for current terms and account-specific charges. Amazon VPC pricing
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AWS announced the general $0.005-per-IP-hour charge effective February 1, 2024. That announcement explains the timing of the change; the current pricing page is the relevant reference for the listed rate today. AWS announcement on public IPv4 charges
NAT Gateways
AWS charges for each hour a NAT Gateway is available and for each gigabyte it processes. In AWS’s US East (Ohio) pricing example, the rates are $0.045 per gateway-hour and $0.045 per GB processed. These are regional example rates, not a universal quote; traffic and data-transfer charges can also affect the bill. Check the pricing for your region and usage. Amazon VPC pricing and NAT Gateway pricing details
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How to decide what to review first
Use a short triage rather than deleting every resource that looks old. This is a practical decision framework, not a validated scoring formula.
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- Visible recurring cost: Start with charges you can identify in your current AWS bill or cost views. Confirm the service, region and billing period before estimating what removal might change.
- Confidence it is unused: Look for recent activity and a clear owner. “Old” or “small” is not the same as unnecessary.
- Deletion risk: Check dependencies, backups, retention obligations and recovery requirements. A resource that appears idle may still be needed for a failover or restore.
- Verification effort: Prefer low-risk checks that can establish purpose or inactivity quickly. Escalate uncertain or high-impact resources to the service owner.
- Ownership and documentation: If no owner or purpose is recorded, identify one before changing the resource; lack of documentation is a reason to investigate, not by itself a reason to delete.
A cautious cleanup workflow
- Review billing and inventory: Use your current AWS billing information and resource inventory to identify recurring charges and where the resources exist. Costs and rates vary with region, configuration, usage, credits and applicable terms.
- Ask “is this still needed?” For each candidate, find its owner and documented purpose. Check whether another service, team or recovery process relies on it.
- Verify before changing: Confirm dependencies, backups, retention requirements and recovery needs. If the evidence is incomplete, pause and ask the responsible team rather than assuming deletion is safe.
- Make one controlled change: Where removal is approved, follow your normal change process and preserve a recovery path appropriate to the resource.
- Check the result: Confirm the workload still behaves as expected and review subsequent billing data. A resource change may not produce an immediate or one-for-one bill reduction.
- Repeat periodically: Vlad Z.’s post frames this kind of review as maintenance. A recurring check can surface resources whose purpose has changed, without treating cleanup as a one-time cost-saving guarantee.
What the examples do—and do not—show
The post names old AMIs stored across regions, CloudWatch dashboards with metric queries and small Lambda functions alongside network resources. These are useful places to ask about purpose, ownership and ongoing charges, but the available examples do not establish their individual costs or show that they are safe to remove.
Likewise, the post’s $400, $600 and $800 monthly figures are author-provided aggregate illustrations. They should not be read as an AWS benchmark, a typical account outcome or promised savings. Your actual costs require account-, usage- and region-specific checking against current AWS billing and pricing information.
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