01

The P&L problem was hiding between systems

International e-commerce often looks attractive in a sales dashboard. The customer order is visible immediately; the full cost arrives later, fragmented across Shopify, the warehouse, the carrier and finance. At ISTO., reconciling January to April 2026 showed approximately €231.9K of net product revenue and €13.9K of customer shipping income against €87.9K invoiced by DHL. The resulting net leakage was close to €74K.

02

Build the order-level equation before debating policy

The useful unit of analysis was not the monthly carrier invoice. It was the order: net product revenue, shipping charged, fulfilment, outbound freight, duties and taxes, refunds and return costs. Connecting those elements changed the conversation from ‘shipping is expensive’ to a measurable contribution problem. Customer shipping charges covered only about 16% of the DHL bill.

03

Averages hide where the economics break

The leakage was concentrated. The UK represented roughly €28.8K and the US €27.5K; Norway, Switzerland, Canada and Australia added further material losses. Cost per order also varied sharply. Market-level economics made it possible to distinguish a pricing problem from a duties policy, carrier or free-shipping problem.

  • UK: approximately €55 leakage per order
  • US: approximately €81 per order
  • Norway: approximately €112 per order
  • Country rules matter more than one global shipping threshold
04

Turn diagnosis into an operating decision

The analysis informed the move from DDP to DDU for non-EU orders and created a fact base for reviewing free-shipping thresholds, duties communication and market priorities. The bigger lesson was organisational: international contribution needs an owner and a recurring view. If the calculation only happens during a crisis, the business will discover bad growth after it has already paid for it.

Operator takeawayDo not ask whether an international market is growing. Ask what remains after the complete order has been acquired, fulfilled, delivered, taxed and, when relevant, returned.

Analysis based on an internal reconciliation of January–April 2026 orders and logistics invoices. Figures are rounded.