Why speed matters more on some platforms than others
On Mercari, your payout doesn't move until the buyer rates the order — a slow reply to a bundle or shipping question directly delays money you've already earned. On eBay, a Money Back Guarantee case has a hard response window, and missing it can mean losing a case you would have otherwise won, for reasons that have nothing to do with who was actually right. On Poshmark and Depop, a buyer with a quick question who doesn't hear back tends to just move on to someone else's closet — there's no formal penalty, just a quieter kind of lost sale that never shows up as a number anywhere.
What “fast enough” actually looks like
A simple, honest benchmark: same-hour replies during the day you're actively selling, and nothing sitting past the point where a buyer would reasonably assume you're not coming back — usually a few hours, not a few days. The specific number matters less than the pattern: the resellers who convert best treat every open question as a small, closing window, not a to-do item that can wait for a quiet afternoon.
The real problem isn't willingness, it's visibility
Almost no reseller is ignoring buyers on purpose. Messages get missed because they're scattered across five or six apps, each with its own notification style, and nothing tells you which one has been sitting the longest. That's a visibility problem, not a discipline problem — and it's the one Closetline is built to solve.
What Closetline shows you
Every open thread carries an overdue timer, so a message that's been waiting 20 minutes looks different from one that's been waiting 4 hours, at a glance, across every marketplace at once. Closetline also estimates the dollar value sitting in your slowest-waiting messages, so “respond faster” stops being vague advice and becomes a specific number worth acting on today.
See exactly how much of your slow-reply time is actually costing you — that's what the overdue queue is for.