How a second-hand price gets settled between two strangers

The points below about how used prices are formed are ordered by how much difference they make, not by how often they get repeated.

Why there is no list price

A used item has no manufacturer behind it setting a recommended figure, so every price is negotiated from scratch between two people. What fills the gap is a rough consensus formed from recent transactions that both parties have partially observed. That consensus is unstable, because it depends on how many similar items happen to be available in that particular week.

A single unusual sale can distort what everybody believes for a while, especially in a category with few transactions. The absence of an authority is exactly why the same item can sell for very different amounts within days of itself.

Asking prices are not evidence

The prices visible on active listings are what sellers hope to receive, and a great many of them will never be accepted. Items priced too high simply sit, and because they sit they remain visible for far longer than the ones that sold.

At the till, that produces a systematic bias in what a casual browser sees, which pushes perceived values upward over time. Completed transactions, where you can see them, are the only figures that record an actual agreement between two parties. Where completed data is unavailable, the useful proxy is how quickly similar items disappear rather than what they were asking.

Condition is the biggest variable and the least standardised

Descriptions such as good or excellent carry no agreed meaning and are applied differently by almost everybody using them. Photographs are more informative than adjectives, and a seller who provides many of them is usually easier to deal with. Function and cosmetics are separate axes, and a buyer will typically pay more to avoid visible marks than to avoid minor faults.

Per unit, missing accessories, cables, keys and original packaging reduce value more than their replacement cost would suggest. The gap between two conditions is often larger than the gap between two model generations, which surprises most first-time sellers.

What the buyer is really pricing

A used purchase carries risk that a new one does not, including undisclosed faults, short remaining life and no support. The discount against a new item is partly compensation for that risk rather than simply a reflection of wear. Anything that reduces the risk therefore raises the price, which is why receipts, service records and transferable cover matter.

A seller who answers questions promptly and describes faults openly is reducing perceived risk and can charge accordingly. This is the main lever a private seller controls, and it is worth more than any amount of enthusiastic description.

Where you buy changes the price

Local collection markets tend to price lower, because the pool of buyers is small and payment protections are limited. National platforms reach more buyers and usually achieve higher prices, at the cost of fees, postage and dispute handling. Specialist channels for a particular category often achieve the highest prices, because the buyers there understand what they are looking at.

Trade buyers pay least and pay immediately, which is a different product rather than a worse deal. Choosing the channel is a decision about how much work you want to do, and the price differences reflect that work.

Prices, promotions and terms move constantly, so check the current number rather than this one.

Meeting, paying and what happens afterwards

Protections for private sales are far weaker than for purchases from a business, and this differs by country as well. Payment methods carry different levels of recourse, and the cheapest method for a seller is usually the riskiest for a buyer. Inspect before paying wherever the item is collected in person, because afterwards you are relying on goodwill alone.

Keep the messages, the listing and any description of condition, since that record is the only evidence of what was agreed. Where a purchase is large enough that a dispute would matter, buying from a business rather than a person is worth the premium.

Everything above, in order of what to do first

1. Why there is no list price. A used item has no manufacturer behind it setting a recommended figure, so every price is negotiated from scratch between two people.
2. Asking prices are not evidence. The prices visible on active listings are what sellers hope to receive, and a great many of them will never be accepted.
3. Condition is the biggest variable and the least standardised. Descriptions such as good or excellent carry no agreed meaning and are applied differently by almost everybody using them.
4. What the buyer is really pricing. A used purchase carries risk that a new one does not, including undisclosed faults, short remaining life and no support.
5. Where you buy changes the price. Local collection markets tend to price lower, because the pool of buyers is small and payment protections are limited.
6. Meeting, paying and what happens afterwards. Protections for private sales are far weaker than for purchases from a business, and this differs by country as well.

The takeaway

Price a used item from what people actually paid, because everything still on sale is by definition what nobody has accepted yet.

A discount is a claim about a price you were never asked to pay.