Contribution margin: what an order actually generates
Headline revenue minus COGS gives you gross margin — but that's not what a D2C brand keeps per order. Subtract: fulfillment (pick-pack-ship €3–8 per order), shipping subsidy (varies — many brands free-ship above €40–60, costing €5–10 of margin), payment processing (Stripe/Adyen 1.4–2.9% + €0.25–0.30/transaction), discounts (average 8–15% off list across the year), and returns provision (return rate % × cost-to-process per return).
What's left is contribution margin per order — the cash that flows toward fixed costs (team, software, office) and customer acquisition. Healthy D2C brands run contribution margin at 30–40%; struggling ones at 15–25%. The math is brutal: a brand at 20% contribution margin needs LTV ≥ 5× CAC to justify aggressive paid acquisition, which is rare outside high-frequency consumables.
Returns: the silent margin killer
European apparel return rates structurally sit at 22–28% in 2026 (Germany highest at 28–32%, southern Europe lower at 16–20%). Each return triggers reverse logistics (€3–7), inbound inspection and restocking (€2–4), and a 5–15% probability the item can't be resold at full price.
The truly profitable apparel brands are designing operationally to reduce returns: better size charts, AR try-on, fit prediction algorithms, paid returns above N items. Reducing return rate from 28% to 22% on a €50 average order with a €5 return cost lifts contribution margin by roughly 0.6 percentage points — small per order, decisive at scale.
CAC payback: the metric replacing LTV/CAC
LTV/CAC has lost favour because it requires forecasting customer lifetime — increasingly hard in commoditizing categories. CAC payback (how many months of contribution margin to recover the average customer acquisition cost) is replacing it. Target: ≤ 6 months for a venture-scale brand, ≤ 12 months for a bootstrapped one. Beyond that, you're funding growth with working capital you don't have.
2026 reality: paid acquisition CAC has climbed 35–60% since 2021 across most apparel and beauty categories. The brands winning are heavily diversifying away from Meta and Google: TikTok organic, retail partnerships, micro-influencer collaborations, owned email lists. The brands losing keep doubling Meta budget against rising CPMs and watching contribution margin per order drop.
See if your unit economics actually work
Plug in price, COGS, fulfillment, returns and CAC — the EuroCalc e-commerce calculator shows contribution margin per order and CAC payback in months.
Open the calculator →Frequently asked questions
Should I sell on Amazon or build my own D2C site?+
Most viable European brands do both. Amazon for volume and customer discovery (accept 25–35% effective margin), D2C for repeat purchase and customer ownership (higher margin but you fund acquisition). Pure-D2C brands struggle at <€2M revenue; pure-Amazon brands lose pricing power and customer relationships.
What contribution margin do I need to survive?+
Below 20% — almost impossible to scale with paid ads. 20–30% — viable if customer LTV is strong (high repeat). 30–40% — healthy. Above 40% — usually premium positioning with limited acquisition channels.
Is offering free shipping worth it?+
Yes, but conditionally. Free shipping above an order threshold (€40–60) lifts average order value 10–20% and conversion 5–15% — usually a net positive even after the cost. Free shipping with no threshold subsidizes small low-margin orders.
How do I forecast return rate for a new product line?+
Match to category benchmarks initially: apparel 22–28%, electronics 8–12%, home goods 12–18%. Adjust upward for fit-sensitive categories (formal wear, shoes) and downward for size-agnostic items (accessories, beauty). Recalibrate monthly with actual data.
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