You quoted a part at ten dollars with the supplier. You closed a selling price with that number in mind. When the shipment arrived and someone added everything up, the part cost thirteen fifty on your warehouse floor, and the margin you had promised was gone.
Nobody cheated you. The supplier price is one line out of twelve, and the other eleven show up at different moments, in different currencies, on invoices from different people. That complete number has a name: landed cost.
What it actually includes
Everything spent from the moment the goods leave the supplier until they are available to use or sell in your warehouse. Not until they reach the port, not until they clear customs: until they are on your floor, counted and usable.
That cutoff matters, because most cost overruns live precisely between “it arrived in Mexico” and “I can sell it.”
The lines that do get quoted
These are almost always in the budget, because someone puts them in writing before you ship:
- Goods value, per the agreed Incoterm. EXW, FOB or CIF changes how much of what follows is already included.
- International freight, by ocean, air or road.
- Cargo insurance, if you bought it. If you didn’t, it is still a cost — just a random one. Covered in international cargo insurance.
That is where 90 % of quotes stop. The problem starts after.
The lines that show up later
Duties and taxes. IGI based on the tariff code, DTA, VAT and, where applicable, countervailing duties. The breakdown is in import taxes in Mexico, and the duty case in countervailing and antidumping duties. One point deserves emphasis: these are not calculated on what you paid the supplier, but on the customs value, which adds freight, insurance and other additions up to the point of entry. Costing duties off the invoice price always understates them.
Clearance services. Customs brokerage fees, prevalidation, validation, document digitization in VUCEM, and terminal services: handling, unloading, THC, facility use.
Time. Storage at the terminal, container demurrage and detention, armed escort when the cargo requires it. This is the family that varies most and gets budgeted least.
Product compliance. Labeling and testing for NOM standards, certifications, relabeling if something arrived wrong. It is paid per unit and scales with volume.
The last leg. Transport from the terminal to your plant, unloading, receiving, counting and put-away.
Financial items. FX movement between the day you quoted and the day you paid, bank fees, and the cost of capital tied up while the goods are in transit.
The error that distorts the number most
Treating VAT as a cost.
If you are a company that invoices and credits it, import VAT is not cost: it is cash flow. It leaves your account the day of the entry and comes back through credit or refund weeks or months later. Putting it in the unit cost inflates the number and makes you turn down deals that were actually profitable.
The reverse is also an error: leaving it out of the analysis entirely. You need the cash the day of the entry, and if you don’t have it, the goods aren’t released and storage charges start — and those are real cost. VAT does not belong on the unit cost sheet; it belongs on the cash flow projection.
The exception: if the nature of your operation means you cannot credit it, then it is a cost, and a large one.
The second error: believing the Incoterm makes the problem go away
“We bought DDP, the supplier handles everything.”
The Incoterm shifts costs, it does not remove them. They are inside the price, just without a breakdown — and without a breakdown you don’t know whether you’re paying a competitive freight rate or whether the duty was calculated correctly. When the supplier absorbs the whole operation, what you gain in simplicity you lose in visibility.
And there is a Mexico-specific detail: DDP means someone clears the goods in the name of an importer, and that importer has to exist here, with a tax ID and registry standing. A foreign supplier cannot simply be one. When that role isn’t resolved before shipping, the container arrives and there is nobody to import it. Both routes out are in Incoterms 2020 and in importing without the importer registry.
What it looks like complete
| Item | When you know it | Cost or cash flow? |
|---|---|---|
| Goods (per Incoterm) | Before shipping | Cost |
| International freight | Before shipping | Cost |
| Insurance | Before shipping | Cost |
| IGI and countervailing duties | At classification | Cost |
| DTA and prevalidation | At the entry | Cost |
| Import VAT | At the entry | Cash flow (if credited) |
| Brokerage fees | At the entry | Cost |
| Handling and THC | On arrival | Cost |
| Storage and demurrage | At release | Cost, and variable |
| Labeling and NOM | Before selling | Cost |
| Transport to destination | At release | Cost |
| FX movement | On payment | Cost or gain |
The costs that depend on you
Part of that list isn’t fixed: it is a consequence of decisions.
A wrong tariff classification changes the duty, and correcting it later means amending the entry and, depending on the case, paying differences. An incomplete file stretches clearance and multiplies storage. A red-lane inspection adds days that get paid for on the terminal floor.
None of those items appear on a quote. All of them appear on the final invoice.
How to build it in practice
- Cost per unit, not per shipment. Shipment cost is useless for pricing decisions. Cost per unit landed is not.
- Pick an allocation base and stick to it. Shared costs — freight, clearance, handling — get split across SKUs by value, weight or volume. None is always right: value for expensive light goods, weight or volume for bulky cheap cargo. What matters is not switching between shipments, because then costs stop being comparable.
- Separate cost from cash flow from the start. Two columns. VAT and guarantees go in the cash flow one.
- Reserve for the variable part. Storage, demurrage and inspections can’t be predicted per shipment, but they can be averaged over a year. A percentage of value, calibrated against your own history, works better than assuming zero.
- Close the loop. After each shipment, compare estimated against actual. That comparison is what turns costing into a tool instead of paperwork.
The number that actually matters
It isn’t what the container cost. It is what each unit costs on your floor, ready to sell.
With that number you set prices, you decide whether more volume per shipment pays off, and you find out whether a pricier supplier with better documentation ends up cheaper than a low-cost one that stops your cargo three times a year.
At TradeWay
We coordinate forwarding, customs clearance, transport and warehousing under a single invoice and a single point of contact, which makes landed cost visible from the start instead of assembling itself in pieces. If you want to cost an operation before committing to it, contact us.
