{
  "calculator": "cac-payback-calculator",
  "title": "CAC Payback Period Calculator",
  "site": "AI Biz Hub",
  "input": {},
  "defaults_used": {
    "cac": 2400,
    "arpu_monthly": 129,
    "gross_margin_percent": 75,
    "target_payback_months": 12
  },
  "result": {
    "monthlyGrossProfit": 96.75,
    "paybackMonths": 24.8,
    "estimatedLtv24m": 2322,
    "ltvCacRatio24m": 0.97,
    "paybackHealth": "Danger",
    "ltvCacHealth": "Danger",
    "monthsToBreakEven": 24.8,
    "vsTargetDeltaMonths": 12.8,
    "guidance": "Payback at 24.8 months is unsustainable. Pause heavy acquisition spend and fix CAC or improve ARPU/margins first."
  },
  "provenance": {
    "run": "https://aibizhub.io/api/run/cac-payback-calculator",
    "page": "https://aibizhub.io/cac-payback-calculator/",
    "methodology": "https://aibizhub.io/cac-payback-calculator/",
    "contract": "https://aibizhub.io/contracts/cac-payback-calculator.json",
    "engine": "https://aibizhub.io/engines/cac-payback-calculator.js",
    "engine_sha256": "5f3787a561eebd5cb4e2d7d96772bfa671c48c87b8c08c4047ed53a87583f354",
    "build": "42c727dd573e245d1be09199a062c665d7f6f47e",
    "prices_verified": "2026-10-24",
    "prices_source": "https://aidevhub.io/api/models.json"
  },
  "disclaimer": "Business planning estimates — not legal, tax, or accounting advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Biz Hub, CAC Payback Period Calculator (engine 5f3787a561ee), https://aibizhub.io/api/run/cac-payback-calculator"
}