Landed Cost Pricing: Build Your Amazon Price From the Unit Up

Most sellers set a price by taking the factory quote, adding a markup, and glancing at what competitors charge. The trouble is that the factory quote is only the first line of what a unit costs by the time it sits on an Amazon shelf. Freight, duties, inspection, prep and handling arrive later, often on separate invoices, and every purchase order lands at a slightly different total. This article shows how to build a per-unit landed cost, how to turn it into a price that protects a profit you chose in advance, and how to refresh the number each time you reorder.

What landed cost includes

Landed cost is everything you spend to get one sellable unit to the point where Amazon or your warehouse partner can start selling it. Keep it separate from the costs of selling, such as the referral fee, FBA fees and advertising. Landed cost is your cost of goods. The selling costs get layered on top in the next step.

A complete build usually has these lines:

• Product cost: the supplier's unit price, plus any tooling, samples or custom packaging that is invoiced separately, spread across the order.
• Inbound freight: factory to port, the ocean or air leg, and the final leg from the destination port to a warehouse, including fuel and handling surcharges.
• Duties and tariffs: charged by customs on imported goods, based on how the product is classified, where it was made and its customs value.
• Brokerage, bonds and insurance: typically fixed fees per entry or per shipment.
• Inspection and testing: third-party quality checks and any compliance or lab testing.
• Prep and labeling: polybags, labels, bundling or kitting, whether done by the supplier, a 3PL or Amazon.
• Receiving and handling: any 3PL receiving, pallet storage or transfer legs before the stock reaches Amazon.

Two more lines are easy to forget. One is the cost of tied-up cash, because you pay the supplier weeks or months before the first sale. The other is an allowance for units that arrive defective or go missing. Add both as per-unit lines if you want a stricter number.

Also check what the supplier's quote actually covers. A price quoted ex-works, free on board or delivered duty paid describes different points at which cost and responsibility pass to you, so the same headline number can hide very different amounts of freight and duty.

Turn one purchase order into a per-unit number

The method is simple. Add up every invoice that belongs to the purchase order, then divide by the units that arrived sellable, not the units you ordered. If you ordered 1,000 and 980 were usable, divide by 980. The damaged units are a cost of the 980 that can be sold.

When a shipment carries several products, do not split shared costs equally per unit. Allocate freight by volume or weight, so a bulky item carries more of the container than a flat one. Allocate duty by the value and classification of each product.

Here is a hypothetical unit, using round numbers for illustration only. The duty line is a placeholder amount, not a rate for any real product.

From landed cost to a price

Now add the costs of selling. Some are fixed per unit, such as the FBA fulfillment fee and an estimate of storage for your size and weight. Others move with the price: the referral fee is a percentage that depends on your category, advertising is a share of sales, and a returns and damage allowance scales with revenue. You also choose a profit target as a share of the price.

Because the percentage costs grow when the price grows, you cannot just add and multiply. You solve for the price:

Price = (landed cost + fixed Amazon cost per unit) ÷ (100% − percentage costs − profit target)

Take the $8.50 landed cost and assume $3.50 per unit for fulfillment and storage. Assume a 15% referral fee (a placeholder, since your category's percentage is in the current fee schedule), 10% for advertising, a 5% returns allowance and a 10% profit target. What is left to cover the fixed costs is 100% − 15% − 10% − 5% − 10% = 60%. Price = ($8.50 + $3.50) ÷ 0.60 = $20.00.

The formula also shows what a cost shock really does. If landed cost rises by $1.00 and you hold the price at $20.00, the percentage costs still take 30% of the price, which is $6.00. Profit falls from $2.00 to $1.00, so half of it disappears. To keep the same 10% margin you would need $13.00 ÷ 0.60, about $21.67. Every extra $1.00 of landed cost needs roughly $1.67 more price.

Treat duties and tariffs as a variable, not a fact

Duty is the line that moves most. It depends on how the product is classified in the tariff schedule, the country of origin, the customs value and the trade rules in force on the day the goods are entered. This article gives no rates because they differ by product and change. Ask a licensed customs broker, or read the official tariff schedule for your product's classification code, and confirm which rules apply to your origin.

Which costs count toward customs value depends on the importing country's rules, so ask your broker rather than assuming that freight is in or out of the base.

In your sheet, keep duty in its own input cell, as a percentage of customs value or a dollar amount per unit, with a date and a note on where the figure came from. When the rules change you edit one cell and every price recalculates. Add a stress column as well: raise duty by an amount that would worry you and read off the price you would need. Knowing that number in advance makes a reaction a calculation instead of a panic.

Recalculate on every purchase order

Landed cost belongs to a shipment, not to a product. It shifts with the supplier price, order quantity, freight rates, air versus ocean when you are running late, exchange rates if you pay in another currency, duty changes and the defect rate. A figure you worked out a year ago is a guess.

Keep one row per purchase order and per product: units ordered, units sellable, each cost line, landed cost per unit and the date. Then separate two uses of the number. For pricing, use replacement cost, meaning what the next unit will cost you. For profit reporting, use the actual cost of the stock you sold. Mixing the two leads to underpricing when costs are rising and overpricing when they are falling.

The short version

• List every cost from the factory to the warehouse, and keep selling costs in a separate layer.
• Divide each purchase order by units that arrive sellable, and allocate shared freight by volume or weight.
• Solve for price with (landed cost + fixed Amazon cost) ÷ (100% − percentage costs − profit target).
• Keep duty and tariffs in one dated input cell, sourced from your broker, and stress-test it.
• Recalculate on every purchase order and price from replacement cost.