This page is informational: SMKlog sells single US domestic parcel labels with no account, and we do not integrate with Seller Central, do not import orders and do not offer fulfillment. That matters here because Amazon attaches its claim protection to labels bought through Buy Shipping, so for a Fulfilled by Merchant order, buying postage elsewhere gives that protection up.
The reason to use Buy Shipping on an FBM order has nothing to do with the price of the label.
Condition one is the whole story for us. A label bought anywhere else is still a perfectly good label, and it still moves the parcel, but it does not carry the protection Amazon attaches to its own. On a marketplace where account health decides whether you keep selling, that is not a trade worth making to save a little postage.
Plenty of parcels leave a seller's bench without an Amazon order behind them, and none of them care about Buy Shipping.
For those, buying one label as a guest with no account and no monthly plan is the least friction available. Our pricing page spells out how the amount at checkout is put together.
The hardest part of selling nationally is that one product has eight different shipping costs. Same box, same weight, same day, eight destinations.
| Destination | Cheapest quoted | USPS Ground Advantage |
|---|---|---|
| Hoboken, NJ 07030 | $10.37 | not in the returned rates |
| Philadelphia, PA 19102 | $10.37 | not in the returned rates |
| Atlanta, GA 30303 | $13.52 | $14.02 |
| Chicago, IL 60601 | $14.02 | $14.02 |
| Dallas, TX 75201 | $15.49 | $16.00 |
| Denver, CO 80202 | $16.47 | $16.97 |
| Los Angeles, CA 90011 | $19.14 | $19.64 |
| Seattle, WA 98101 | $19.14 | $19.64 |
From the near suburb to the far coast the cheapest row moved $8.77 on an identical parcel. Any seller quoting one national shipping figure is averaging that spread and hoping the mix holds. It is also why a nationwide product priced off local orders slowly stops working as it finds a wider audience.
Under Fulfilled by Amazon the warehouse ships and no label decision reaches you. Under Fulfilled by Merchant you pack and post every order yourself, which is why FBM sellers are the ones reading pages like this.
SMKlog does not integrate with Seller Central, does not import orders, does not do fulfillment or prep, and sells no international labels. Anyone telling you a standalone label preserves Amazon's protections is wrong, and we would rather say so than take the click.
A parcel needs a scannable label on a flat surface, old barcodes covered, seams taped. That does not change based on which system sold you the postage, and neither does the way a carrier accepts it.
Amazon's published conditions for claim protection require that you purchase the shipping label through Amazon Buy Shipping, ship on time, and respond to customer inquiries in Buyer-Seller Messaging within 48 hours. A label bought elsewhere still moves the parcel, but it does not carry that protection.
Amazon says sellers using it get 12x more Amazon-paid refunds for A-to-z claims and at least 10% more SAFE-T claim reimbursements for orders. On a marketplace where account health governs your ability to keep selling, that is the point of it.
For parcels with no Amazon order behind them: your own website's orders, a wholesale box, stock going back to a supplier, samples, or a goodwill replacement sent outside the order record. Those carry no seller metric, so any label does the job.
No. There is no integration, no order import and no fulfillment or prep service, and we sell US domestic labels only. What we do is quote a described parcel across carriers and sell one label to a guest, which is a different job from running an Amazon storefront.