The supplier price is rarely the number that determines whether an import is profitable. The useful number is the landed cost: the total cost of getting the goods from the supplier to the point where they are ready for your business to use or sell.
Purchase price and landed cost answer different questions
Purchase price tells you what the supplier charges for the goods. Landed cost answers a broader question: what did each unit really cost after transport, border charges and local expenses? If you price products, compare suppliers or calculate margin from purchase price alone, the result can be misleading.
7 costs that often sit outside the supplier invoice
1. International freight
Ocean, air, road or rail freight can materially change the unit cost, especially on low-value or bulky cargo. Compare the same Incoterm and routing before assuming one supplier is cheaper.
2. Insurance
Cargo insurance may be small relative to the goods value, but it still belongs in a complete cost estimate and can also influence the customs valuation method in some jurisdictions.
3. Customs duty
Duty normally depends on tariff classification, origin and the customs value. A small classification difference can change the percentage enough to affect margin across a large shipment.
4. Import tax or VAT
VAT or similar import taxes can be recoverable in some business contexts, but they still affect cash flow and may be part of the operational cost view you need for planning.
5. Origin charges
Export documentation, terminal handling, pickup, security and other origin charges can be excluded from a headline freight rate.
6. Destination and local charges
Terminal handling, customs clearance, port fees, delivery and documentation charges often arrive after the main freight quote and are easy to underestimate.
7. Delay-related costs
Demurrage, detention, storage or urgent delivery changes can turn a normal shipment into an expensive one. They should be tracked separately from the planned landed cost so teams can see avoidable exceptions.
A simple landed cost structure
A practical planning model is: goods value + freight + insurance + duty + import tax + local charges. Divide the resulting total by the number of units to estimate cost per unit. Real customs bases vary by country, classification, Incoterm and regulation, so use this as an operational estimate rather than a customs ruling.
Use the free Landed Cost Calculator →
Why the percentage breakdown matters
Two imports can have the same total landed cost but very different risk. One may be dominated by the purchase price, while another has a high freight or duty share. Tracking those percentages helps you see where negotiation or routing changes can make a meaningful difference.
When a spreadsheet becomes useful
A browser calculator is ideal for a quick estimate. When you repeat the process across suppliers, SKUs or shipments, a structured workbook helps preserve history, assumptions and comparisons. That is the point where a reusable landed cost model becomes more useful than recalculating from scratch.
See the Landed Cost Excel template →
