Writing descriptions when the product is a commodity
When twenty sellers list the same item, the copy differentiates on delivery, returns, service and grading transparency rather than on the product itself.
· 5 min read
Accept that the product is the same
A large share of what small businesses sell online is genuinely interchangeable with what several competitors sell. The same fasteners, the same rice, the same phone case, the same grade of cardamom. The standard response is to write copy insisting on a difference that does not exist — premium quality, finest grade, best in the market — and buyers have learned to read those phrases as noise precisely because everybody selling the identical item uses them.
Starting from an honest position is more productive: the item is the same, so the item is not what you are differentiating. This is not a weak position. A buyer choosing between identical listings is not choosing an item at all; they are choosing a transaction, and a transaction has many attributes that are entirely within your control. When and how it arrives, what happens if it is wrong, whether the seller answers, whether the description told the truth about grade and origin. Copy that competes on those is competing on real differences, and real differences are both more persuasive and harder for a competitor to copy than an adjective.
Delivery speed and certainty
For an identical item, when it arrives is frequently the deciding factor, and certainty matters as much as speed. A buyer who needs something for a specific day is not primarily looking for the fastest option; they are looking for the one they can rely on. That means the useful copy is specific about the mechanism rather than optimistic about the outcome: dispatched the same day on orders placed before a stated hour, shipped from a named city, a tracking number sent on dispatch.
Being specific also means being specific about limits, and this is where most sellers lose the advantage they have. Copy claiming fast delivery everywhere is disbelieved by default, because buyers have been disappointed by it. Copy that says two days to these regions and four to those is credible in a way the general claim cannot be, and it is credible precisely because it admits a limit. If you genuinely cannot commit to a timeframe, say what you do control — that it leaves your warehouse within a stated period — rather than promising an arrival date that depends on a courier. A promise about your own action is one you can keep.
Returns and what happens when it goes wrong
For an unfamiliar seller of a familiar item, the buyer's real question is not about the item but about risk: what happens if this arrives damaged, wrong or not as described. Most listings answer this with a link to a policy page, which is the same answer every competitor gives and requires the buyer to leave the page to find it. Answering it in the description, in one plain sentence, removes the doubt at the moment it occurs.
What makes this differentiating rather than generic is stating the process rather than the policy. "Free returns" is a category. "Message us with a photograph and we'll send a replacement or refund within two working days, and you do not need to return a damaged item" is a described procedure, and a described procedure is believable in a way a policy label is not. It also has a real commercial effect on a commodity item, because the buyer's hesitation was never about the product. Be careful only to describe what you actually do — a returns promise you cannot honour converts once and then produces a complaint and a public review, which on a commodity listing is expensive.
Grading, sourcing and specification honesty
For agricultural and material goods, the most useful differentiation available is telling the truth in more detail than competitors do. Cardamom from one seller is chemically much the same as another's, but grade, size, moisture, harvest period and origin are real variables that most listings leave vague — and a listing that states them precisely is making a checkable commitment while its competitors make an unfalsifiable claim about quality.
This works because it inverts the usual dynamic. A buyer comparing vague listings has no basis for choosing except price, so price is what they choose on. A buyer who finds one listing with a stated grade and harvest period now has a reason to prefer it and a way to verify whether the seller was honest. That verification is the mechanism: a seller whose stated specification matches what arrives earns a repeat purchase, which on a commodity item is where the actual margin lives. The corollary is that precision only helps if it is accurate. A stated grade that does not match what arrives is worse than vagueness, because it converts a disappointed buyer into one who can point at exactly what you claimed.
Service quality, stated as something checkable
Everybody claims good customer service, so the claim carries nothing. What carries something is a description of the service that a buyer can hold you to: which channel to use, who answers, and within what time. "Message us on WhatsApp and a person replies, usually within a couple of hours during business hours" is checkable. "Excellent customer support" is not, and the two occupy the same space on a page while doing entirely different amounts of work.
The useful test for any service claim is whether a buyer could tell within a day whether it was true. If they could, it is a commitment and it differentiates. If they could not, it is filler. This also applies to the small operational things that sound too minor to mention and turn out to matter for repeat purchase: that you will hold an order until a delivery date suits, that you will split a shipment, that you will tell them when something is out of stock rather than delaying quietly. For a commodity item bought repeatedly, these are frequently the actual reason a buyer stops comparing and simply reorders.
Trust signals, and the buying experience itself
For an unknown seller the first question is whether the business is real. That is answered by ordinary, unglamorous specifics: a physical address, a phone number a human answers, a named person, photographs of the actual stock rather than a manufacturer's image, clear tax details on the invoice. None of these are marketing copy exactly, and collectively they do more for a first purchase than any adjective, because they change the question from whether you are the best to whether you are genuine.
The experience of the page is part of this too. A description with the specification in a scannable list, honest photographs including the packaging, no fabricated urgency, and a clear total including delivery before checkout — all of it signals a seller who is not trying to manage the buyer. On a commodity item that is a genuine differentiator, because the alternative listings are frequently doing the opposite. And it is worth stating plainly what does not work: reviews you wrote yourself, countdown timers that reset, a struck-through price that was never charged. Buyers recognise all three, and on an item they can buy anywhere, one recognised trick is enough to send them to a competitor.
Common questions
Is it worth writing a long description for a commodity item?
Long is not the goal; specific is. A short description stating grade, dispatch time and what happens if it is wrong outperforms a long one praising quality. The length should be whatever it takes to answer the transaction questions, and on a genuinely simple item that can be quite short.
How do you differentiate if a competitor is simply cheaper?
By making the comparison about total cost and risk rather than price alone — delivery charges, whether returns are paid for, what happens when something is wrong, whether the stated specification is what arrives. Some buyers will still choose on price and that is not a copy problem. Repeat purchase is where accurate description pays back.
Should the same description be used on your own site and on a marketplace?
The facts should match, but the emphasis differs. On a marketplace the buyer is comparing near-identical listings side by side, so the differentiating specifics need to be earliest and most prominent. On your own site there is more room to explain sourcing and process, because the immediate comparison is not on the screen.
Do photographs count as copy?
For a commodity item they carry as much of the argument as the words. A photograph of the actual stock, including packaging and any grading label, is a trust signal that a manufacturer's stock image cannot provide — and a buyer who can see what will arrive has had a question answered that no adjective addresses.
Related pages