{
  "$schema": "appliance://kimberly-bennett/playbook",
  "title": "The Weight of Waiting — rightsizing playbook",
  "author": "kimberly-bennett",
  "companion_film": "https://4ort.mov/w/weight-of-waiting",
  "formula": {
    "wasted_idle_cost": "instance_monthly_cost * (1 - utilization_pct/100) * months",
    "units": "USD",
    "assumptions": "Cost scales linearly with the box; fixed reservations waste the whole line",
    "caveats": "Size to the percentile your SLO names, not the mean. Verify 30 days of real traffic before calling a box idle."
  },
  "ledger_example": {
    "prod_web_tier_before": 1840,
    "prod_web_tier_after": 1060,
    "batch_workers_before": 212,
    "batch_workers_after": 98,
    "demo_box_before": 190,
    "demo_box_after": 0,
    "total_before": 2242,
    "total_after": 1158,
    "annual_savings": 13008
  },
  "benchmark_rule": "Every rightsizing review should find at least one throwaway box"
}