Cloud infrastructure costs are one of the most underestimated operational risks for startups and growing platforms. This in-depth guide explains how to systematically reduce AWS EC2 spending by 40–70% using Spot Instances, Auto Scaling Groups (ASG), and capacity-optimized architecture design. Instead of theoretical explanations, this article focuses on real-world production architecture, failure handling, monitoring strategies, configuration examples, and long-term cost control frameworks used by experienced DevOps teams.
