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• 17:34, 15 November 2025 PC talk contribs created page A Single Line of Rust Code Reduced Our Cloud Bill from $84,000 to $1,200 (Created page with "Sometimes the most expensive mistakes hide in the most innocent-looking code Our CFO called me into her office on a Tuesday morning. She slid a printed AWS bill across the desk. “Explain this.” The number at the bottom: $84,327 for one month of S3 storage. We’re a startup with 50,000 users. We store profile pictures and documents. There was no universe where that number made sense. The Investigation Begins I pulled up our S3 metrics. The numbers were staggerin...")