LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

Home > Guides > Mailing a return

How do I mail back an online return?

Use the retailer's return label, repack the item in a sturdy box with the old shipping labels removed, drop it at the right carrier, and keep the drop-off receipt. That receipt plus the tracking number is your proof the return is on its way, which is what settles refund disputes.

What is the exact sequence?

  1. Start the return with the retailer first. Most stores generate a prepaid return label or a QR code in your account. Do not just mail the item back to the store's address unannounced; many retailers will not process an unlabeled return.
  2. Repack properly. You can usually reuse the box the item came in. Remove or fully cover the old shipping label and any old barcodes. A stray barcode can send your return to the wrong sort facility, adding a week.
  3. Attach the return label. Tape it flat on the largest side, away from seams. If the retailer gave you a QR code instead of a printable label, the carrier's retail location prints the label for you.
  4. Drop it at the matching carrier. A USPS return label goes to a post office, not a UPS Store. A UPS label goes to UPS. Match the label to the carrier.
  5. Keep the receipt. Ask for and keep the drop-off receipt until the refund lands. Photograph the sealed box with the label visible as a bonus.

What if the retailer did not provide a label?

Some sellers, especially marketplace sellers and smaller stores, tell you to return the item at your own expense. In that case you buy the shipping yourself: address the parcel to the return address the seller gave you, buy a label online or at the counter, and send it tracked. Never send a return untracked. Without tracking, a seller can simply say it never arrived, and you have no answer.

One non-obvious point: check whether the retailer deducts return shipping from your refund. Many do. If the prepaid label costs them money, it comes out of your refund, which sometimes makes it cheaper to keep a low-value item than to return it.

SituationWho pays for return shippingYour move
Retailer sent the wrong item or it is defectiveUsually the retailerRequest a prepaid label; do not pay yourself
You changed your mindUsually youUse their label (deducted from refund) or buy your own tracked label
Marketplace seller, no label offeredYouBuy tracked shipping yourself; keep every receipt
Return window closing soonVariesDrop off today; the drop-off scan usually counts as the return date

When does the return actually count as returned?

This is the detail that saves refunds. Most retailers count the return from the drop-off scan, not from when the item reaches their warehouse. That means mailing it on the last day of the window is fine, as long as the carrier scans it that day. This is also why the counter drop-off beats the blue collection box for deadline returns: the counter gives you an acceptance scan immediately, while a box gives you the next pickup's scan.

Watch the tracking until the refund appears. If the tracking shows delivered and no refund follows within the retailer's stated window, contact them with the tracking number and your drop-off receipt. That combination resolves almost every dispute in the customer's favour.

What trips people up most?

Old labels are the number-one avoidable failure. If the box still shows the original delivery barcode, automated sorters can read it and route your return right back to your own door. Peel labels off or cover them completely with a blank sheet taped down. Second: fragile items need fresh padding, not the flattened paper from the original shipment. Third: do not seal the box until you have slipped any required return form or RMA number inside. Plenty of returns stall in a warehouse because the paperwork is missing, and the store cannot match the item to your order.

Related guides

Ready to ship it? Get a shipping label with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and get your label.


LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

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