Score each system by volatility, compliance needs, integration complexity, and user proximity. Migrate bursty, modular services first. Retain latency‑sensitive or heavily integrated databases near users. This blended approach limits risk, contains cost spikes, and keeps critical experiences snappy and dependable.
Understand that storage egress, snapshots, cross‑region traffic, and idling test environments silently inflate bills. Automate shutdown schedules, lifecycle policies, and tiering. Forecast growth and create alarms on anomalies. Treat cloud like a utility: monitored, tuned, and questioned when usage patterns shift.
Commit discounts, trials, and credits are negotiable, especially when you demonstrate planned growth. Benchmark across providers and resellers. Time migrations to align with promotions. Capture the savings visibly and reinvest them into training, documentation, and test environments that prevent future waste.