Cost
7 articles on Cost — AWS security, compliance, and account management from the Vigilare team.
AWS Lambda Cost Monitoring: Understanding and Optimizing Serverless Spend
Lambda costs are straightforward in principle — you pay per invocation and per GB-second of execution — but production Lambda workloads can generate surprising bills. This guide covers cost analysis, right-sizing, and the patterns that prevent Lambda spend from growing unexpectedly.
Viktor B. · December 26, 2025 · 7 min read
AWS MSP Billing Visibility: Managing and Reporting Multi-Account Costs
Managing billing across dozens of client AWS accounts requires aggregation, allocation, and reporting that native AWS tools handle only partially. This guide covers the architecture for comprehensive MSP billing visibility.
Vigilare Engineering · December 14, 2025 · 8 min read
AWS Free Tier Monitoring: Preventing Surprise Charges on New Accounts
The AWS Free Tier covers specific resource usage for 12 months, but it's easy to exceed limits and rack up unexpected charges. This guide explains what's free, what isn't, and how to set up monitoring that catches overages before they appear on your bill.
Viktor B. · December 5, 2025 · 6 min read
AWS Spot Instances: Running Interruptible Workloads at 90% Discount
Spot Instances offer up to 90% savings compared to On-Demand pricing, but require workloads designed for interruption. This guide covers spot pricing mechanics, instance selection strategies, and architectures that work well with spot capacity.
Vigilare Engineering · December 4, 2025 · 8 min read
AWS Savings Plans vs Reserved Instances: Which Discount Model Is Right for You
Savings Plans and Reserved Instances both deliver significant discounts on AWS compute, but they work differently. This comparison helps you choose the right model — or the right mix — for your workload profile.
Viktor B. · December 3, 2025 · 7 min read
AWS Reserved Instances Guide: Maximizing Commitment Discounts
Reserved Instances deliver 30-60% discounts on EC2, RDS, and other services compared to On-Demand pricing. Getting the most from RIs requires understanding the purchase models, instance flexibility rules, and when to buy vs. when to use Savings Plans.
Vigilare Engineering · December 2, 2025 · 9 min read
AWS Cost Optimization: A Practical Guide for Production Workloads
AWS cost optimization doesn't require a dedicated FinOps team. This guide covers the highest-leverage optimizations — right-sizing, commitment discounts, and waste elimination — with specific steps for each.
Viktor B. · December 1, 2025 · 10 min read