A tariff increase lands on the importer first, but it cannot stay there. Repricing after a duty change is part arithmetic, part contract reading, and part honest communication, and the importers who handle it best start all three before the effective date rather than after the first painful entry.
Do the margin math at the product level
Start with exposure per product, not across the business. For each affected item, compute the new landed cost with the stacked duty, then the margin at the current price. Some products absorb the change and merely get less profitable. Others flip underwater on every unit, and those define your repricing list and its order. Averages conceal the underwater items, and continuing to sell them at the old price while debating a general increase is the most expensive form of indecision.
Separate the temporary from the structural. If the change might reverse or an exclusion process is open, a surcharge mechanism may fit better than a list price change, because surcharges can be added and removed visibly as duties move. If the change looks durable, folding it into list prices is cleaner for everyone downstream. The choice should be explicit per product line, with the trigger for revisiting it written down at the same time.
Read your contracts before announcing anything
Supplier and customer agreements decide how much freedom you actually have. Some customer contracts fix prices for a term with narrow change clauses, others reference tariff or government charge pass throughs explicitly. On the supply side, your purchase terms determine whether the supplier shares any of the duty pain through price adjustments. Repricing announcements made before this reading tend to be walked back, and a walked back increase costs more credibility than a slightly later, accurate one.
Where contracts allow a pass through, follow their mechanics exactly: notice periods, documentation requirements, caps. Customers accept increases that arrive by the agreed process far more readily than identical increases that arrive as a surprise, because the process itself was part of what they bought. Where contracts block pass through, the repricing conversation becomes a renewal conversation, and the timeline shifts to contract end dates you should now be tracking centrally.
Phase, explain, and give customers moves to make
How the increase is delivered matters almost as much as its size. Phased steps with stated dates beat a single cliff for most customers, because their own budgeting and pricing need lead time too. Pair the increase with genuine alternatives: a consolidated shipping option, a spec equivalent at the old price point, a volume tier that restores margin for committed buyers. Customers who can act to mitigate stay, customers handed only a number start shopping that afternoon.
The explanation should be short, factual, and verifiable: the duty action, its effective date, the rate change on the affected codes, and the resulting adjustment. Customers in the same industry are receiving similar letters from other suppliers, and the ones written plainly stand out as honest. Avoid blaming language and avoid absorbing the increase silently out of fear, since silent absorption usually ends in a larger, later, more desperate increase.
Watch the second order effects
Repricing changes your competitive position unevenly. Domestic producers and importers from unaffected origins gain relative advantage overnight, and some competitors will choose to eat margin to buy share during the transition. Track competitor pricing on your most exposed products weekly for the first quarter after a change, and pre decide your walk away lines: the price below which a product is paused, redesigned, or re sourced rather than defended.
Finally, feed the episode into your standing process. The scenario models, contract clause wish list for renewals, and sourcing alternatives you built under pressure are assets for the next action, and there will be a next action. Importers who institutionalize tariff repricing get calmer and faster each cycle, which in a volatile trade environment is a durable edge that has nothing to do with predicting policy.
Keep reading
Related guides on this site: Reading a Tariff Schedule Change Notice Without Panicking Supplier Contracts and Tariff Clauses: Sharing Duty Risk on Paper Answers for teams shipping Shopify orders across borders.
Frequently asked questions
Should tariff increases be a surcharge or a price rise?
Use a visible surcharge when the duty change may reverse or is under exclusion review, since it can be removed cleanly. Fold durable changes into list prices. Decide per product line and write down the trigger for revisiting the choice.
How much notice should customers get for a tariff driven increase?
As much as contracts require and operations allow, commonly thirty to ninety days for business customers. Notice that follows the agreed contract process is accepted far better than a surprise of the same size.
Can suppliers be asked to share tariff costs?
Yes, and many agreements anticipate it through adjustment or pass through clauses. The outcome depends on your terms and volumes, but the ask should be documented and specific to the affected codes and rates.
What if competitors do not raise their prices?
They may be absorbing margin, sourcing elsewhere, or slower to react. Track their pricing, know your walk away price per product, and compete on the mitigations you offer rather than matching a price that loses money.