Freight, duty, and fees are part of what you paid. Posto spreads them across each purchase order to give a landed cost per unit, so your margins are real, not just the price on the invoice.
Try the free landed cost calculatorStart 30 days freeA mug that costs $4 on the invoice might cost $5 once freight, duty, and a broker fee are shared out. Sell it for $12 and the margin you think is 67% is really about 58%.
Shopify keeps one cost per item for each product, and its own guide says that cost stays fixed when you receive stock. So unless someone updates it by hand, your margin reports drift further from the truth with every order.
The mug example is illustrative. Our landed cost guide walks through it step by step.
On any purchase order, add freight, duty, and fees, and choose whether to split them by value or by units.
Receive deliveries as they come in. Once the order is finished, costs are split over what actually arrived, so the units you got don't carry the cost of ones that never came.
If you turn it on, Posto updates Shopify's cost per item when stock arrives, to the latest landed cost or an average with the stock you already have. It's off until you choose.
You don't need to rework past orders. Add freight and duty to the next purchase order you send, and you'll have a true cost per unit by the time it arrives.
Only if you turn it on in Settings. Then, when you receive stock, Posto updates the cost per item of the products you received, to the latest landed cost or a weighted average. It never writes a cost from a line with no cost, or from an order in another currency. It's off by default.
By value suits duty and other costs charged as a share of what the goods are worth. By units suits freight when your products are a similar size. Pick one and use it consistently.
That's common. Add the costs to the order whenever they arrive, and Posto's landed cost per unit updates. If you've turned on cost updates, Shopify's cost per item is set when stock arrives, so fees added later won't change it. Posto tells you when that happens.
If you pay for shipping on supplier orders, yes. Even domestic freight changes what each unit cost, and it adds up across a year of orders.
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