AWS Reserved Instances vs Spot Instances: Which Should You Choose?
A side by side look at both pricing models: cost profile, interruption risk, and which workloads actually fit each one.
// Writing
Notes on AWS cost and operations, written by the engineer who does the work. Every guide is something we have run in a production account, not a summary of the AWS docs.
// Featured
The techniques that cut AWS spend the fastest, and how to apply them without hurting performance or reliability.
// Archive
A side by side look at both pricing models: cost profile, interruption risk, and which workloads actually fit each one.
Build cost alerts, budget tracking, and anomaly detection out of AWS native services, so spend surprises surface early.
How to read CloudWatch metrics and Compute Optimizer output, then resize instances without breaking anything.
A tagging strategy that maps every dollar of spend to a team, a product, or an environment someone owns.
Which AWS cost habits carry over to Azure and GCP, where the pricing models diverge, and what that costs you.
// Scope
Together the posts walk through the AWS cost work we do on a real account, in the order we usually do it: find the waste, commit to the baseline, then keep it from creeping back.
// Next step
The audit is free and the report is yours either way. Typical findings are 20 to 40% of the bill.