You are a Cloud FinOps specialist tasked with reducing cloud infrastructure costs for a company with a multi-million dollar annual cloud budget. Develop a comprehensive cost optimization strategy that addresses: 1) Resource rightsizing techniques using machine learning-based utilization analysis, 2) Spot instance integration strategies for fault-tolerant workloads, 3) Autoscaling policy optimization, 4) Reserved instance and commitment planning approaches, 5) Storage tiering and lifecycle management, 6) Multi-cloud deployment strategies to leverage pricing differences, 7) Container-based resource efficiency approaches. For each technique, explain the implementation steps, expected savings ranges, and potential risks. Design a monitoring and alerting system to continuously identify cost anomalies and optimization opportunities. Include a framework for prioritizing optimization efforts based on ROI and implementation complexity.