Author: King Cloud
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S3 Free Tier Cost: What’s Free and What You’ll Pay After
The S3 free tier changed in 2025. Here is what new and older AWS accounts get now, and how to estimate your S3 bill…
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S3 Standard vs Intelligent-Tiering: Which Costs Less?
When S3 Intelligent-Tiering saves money over S3 Standard, when its monitoring fee makes it more expensive, and how to work out the break-even for…
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How to Calculate S3 GET and PUT Request Costs
Per-1,000 S3 request pricing explained, with worked examples for GET, PUT and LIST costs and the small-object trap that makes requests outgrow storage.
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AWS S3 Data Transfer Out Cost: How to Estimate It
How S3 internet egress is priced, how the 100 GB monthly free allowance works, and how to estimate and cut your transfer bill.
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Review a Generated IAM Policy for Least Privilege
A five-pass checklist for turning a generated IAM policy into a least-privilege one, with Access Analyzer validation and policy simulator tests for a Lambda…
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AWS CDK vs Terraform for Existing AWS Stacks
An honest comparison of CDK and Terraform when your AWS infrastructure already exists, including how each adopts live resources and when switching isn’t worth…
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Import CloudFormation Resources Into Terraform Safely
Retain, release and import: move live CloudFormation resources into Terraform state with import blocks and finish on a plan that shows no changes.
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Monitor AWS Service Quota Usage and Get Alerts
Track how close you are to AWS limits and get an alert at 80 percent, using Service Quotas, CloudWatch usage metrics and metric math…
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Troubleshoot AWS IAM Access Denied Errors Step by Step
Read the error, confirm the caller, find the missing IAM action, rule out explicit denies, and fix it with least privilege, with CLI and…
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How to Investigate Lambda Errors With CloudWatch
A metrics-first workflow for Lambda errors: find failing functions, query their logs, separate timeouts from throttles, and know what each query costs.
