The mistake that makes seven days worthless
Take the ending first. The ordinary way a buyer loses is by opening the dispute too late. They wait, quite reasonably, because a parcel might still turn up. They wait through the far end of the delivery range. Then they file and find the order window shut, or the money already gone, and no funds left for anybody to decide about.
The seven days did not cause that. Seven days is enough room for two people to sort out almost anything. The trap is that the seven does not begin until you press the button, so every day spent hoping is a day spent outside it.
Where the seven days comes from
From the usual span of dispute windows and from nothing this site has read about this market. No account here, no configuration read, no announcement quoted. Treat it as an expectation. If your own order screen carries a countdown, that countdown wins.
Windows land near a week for a structural reason. A dispute needs long enough for two people in different time zones to read something and answer it, and short enough that a decision still gets made while the facts are fresh. Under three days and honest people miss it while asleep or at work. Past a fortnight and staff are working a backlog instead of a case.
What seven days of dispute buys you
A forced decision, which is the entire product. Before a dispute exists a vendor can answer slowly or not at all and nothing follows from it. Once one exists there is a deadline attached to somebody whose account and standing live on the market, and slowness starts costing them instead of you.
It buys a record as well. Everything written inside a dispute is read by a third party, and that changes how both sides write. Vague complaints get weaker and specific facts get stronger, so a case opened with dates and a tracking history behaves nothing like a case opened with an accusation. Write that statement in a text editor before you paste it, for the reason set out on the idle timeout page.
It also interacts with the larger clock. In most designs an open dispute holds the funds where they are, which is the practical brake on the automatic release. That interaction is the reason the two pages are worth reading in one sitting.
What lengthens or shortens the seven
Replies, mostly. A case where both sides answer inside a day tends to finish early. One where a side goes quiet runs to the end of the window and is then decided on whatever is in front of the person deciding. Silence hands the decision to somebody else, so the usual day of thinking belongs before the filing rather than inside the case.
Size matters next. A large order gets read more carefully and can be held open while somebody checks it. Small ones get settled quickly, because the staff time spent is worth more than the amount being argued over.
The operator moves the setting at will, and in practice staff availability moves the real duration more than any setting does.
Questions people ask
Should I message the vendor first?
Yes, once, with dates and any tracking detail you have. A dispute opened as a first contact reads as an escalation and spends the goodwill that usually resolves a late parcel on its own.
What happens if the seven days runs out?
A window that closes without a decision generally resolves toward whatever the default is, and the default is rarely the buyer. Answer inside the window rather than after it.
Does opening a dispute stop the release clock?
In most designs it holds the funds, which is why the two clocks belong together. Do not assume it, though. Read what your own order screen says about it.