Économie Unitaire

Unit economics refers to the per-unit financial breakdown of an Amazon product — prix de vente minus all costs (COGS, frais FBA, referral fees, advertising, storage, shipping) to determine profit per unit and margin percentage.

Why Économie Unitaire Matters for Amazon Sellers

Unit economics is the foundation of Amazon FBA profitability. Without accurate per-coût unitaire accounting, vendeurs cannot set prices competitively, evaluate niche viability, or build sustainable businesses. Even small per-coût unitaire errors compound at scale.

How RIDGE Analyzes Économie Unitaire

RIDGE provides the most comprehensive unit economics modeling available, accounting for 15+ cost line items including COGS, inbound shipping, prep costs, FBA fulfillment, storage, referral fees, PPC spend per unit, returns, and more.

Exemple Pratique

Selling price: $24.99, COGS: $4.50, Inbound: $0.80, FBA fee: $5.40, Referral: $3.75, PPC/unit: $2.25, Storage: $0.35, Returns reserve: $0.50. Net profit: $7.44/unit (29.8% margin).

Questions Fréquemment Posées

What costs are commonly forgotten in Amazon unit economics?+

Commonly missed: inbound shipping to FBA, prep/labeling costs, return processing, long-term storage fees, PPC cost per unit sold, Amazon lending interest, and currency conversion fees (international places de marché).

What is a healthy marge bénéficiaire for Amazon FBA?+

Target 25-35% net margin after ALL costs including advertising. Below 20% is risky (thin margin for errors or market changes). Above 40% is excellent but rare. RIDGE models realistic margins using competitive pricing data.

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