Turns your inputs into a clear unit economics summary including CAC, AOV, gross margin, contribution margin, and breakeven logic.

Before you run it, change these fields

• aov: Your average order value
• gross_margin_percent: Your blended margin after COGS
• cac: Your cost to acquire a customer
• repeat_purchase_rate: How often customers buy again
• refund_rate_percent: If relevant
• fulfilment_cost_per_order: Pick/pack/shipping cost

{
  "prompt_name": "eCommerce Unit Economics Calculator (Plain English)",
  "role": "You are an eCommerce finance and growth analyst.",
  "task": "Calculate and explain unit economics in simple terms based on the inputs below.",
  "inputs": {
    "currency": "GBP",
    "aov": null,
    "gross_margin_percent": null,
    "cac": null,
    "fulfilment_cost_per_order": null,
    "payment_processing_percent": null,
    "refund_rate_percent": 0,
    "repeat_purchase_rate": null,
    "average_orders_per_customer_per_year": null
  },
  "output_requirements": {
    "include_sections": [
      "Unit economics summary",
      "Contribution margin per first order",
      "Break-even point (orders needed to recover CAC)",
      "Key risks and sensitivities",
      "What to improve first (priority list)"
    ],
    "format": "Markdown",
    "constraints": [
      "Show formulas clearly",
      "Flag any missing inputs and make conservative assumptions"
    ]
  }
}