Discount & Margin Erosion Calculator
Analyze whether you can afford promotions from 5% to 50% discount without destroying your COD profit margin.
Enter your metrics below to simulate unit margins, max allowable ad spend, and break-even thresholds. All calculations update dynamically in real time.
How It Works & Mathematical Formulas
A 20% discount on retail price does not mean a 20% drop in profit: in COD, fixed shipping and marketing mean a 20% price cut often destroys 60-80% of net margin. This calculator simulates safe promotion levels.
Discounted Profit Margin
Calculates true remaining profit after deducting promotion discount from selling price.
How to Use This Calculator Step-by-Step
Product Costs & Pricing
Enter your unit cost of goods (COGS), planned retail price, and packaging expenses.
Ad Spend & Confirmation
Input expected customer acquisition cost (CPA/CPL) and call-center order confirmation rate.
Courier Delivery & Returns
Configure your actual delivery success rate and courier forward and return (RTO) fees.
Review Net Margins
Analyze your real cash profit per delivered order and break-even thresholds before spending.
The Promo Trap: 20% Flash Sale
A product at 249 MAD nets +53.38 MAD profit (21.4% margin). Offering a 20% discount (199 MAD):
Common Pitfalls & Costly Mistakes
Confusing price discount percentage with margin percentage
Price cuts come 100% out of your profit buffer, not your costs.
Frequently Asked Questions
What is a safer alternative to price discounts in COD? ▼
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