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Resources for barcodes, UPC/EAN codes, Amazon, and more.

Barcode Labels: Rolls vs. Sheets — Which Should You Buy?

• 4 min read

Every seller who decides to label their own products hits the same fork in the road: do I buy barcode labels on rolls or on sheets? Search for labels and you’ll find both everywhere, usually with no explanation of who …

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Why Won’t My Barcode Scan? 9 Reasons and How to Fix Each One

• 6 min read

There are few moments more frustrating for a product seller: your labels are printed, your packaging looks beautiful, and then the scanner goes… nothing. No beep. Or worse — the beep happens at a store register, in front of a …

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Target Plus Marketplace: UPC and Barcode Requirements for New Sellers

• 4 min read

Target Plus is one of the most attractive marketplaces in US e-commerce — and one of the hardest to get into. Unlike Amazon or Walmart, Target’s third-party marketplace is invite-only, curated to feel like an extension of Target’s own shelves. …

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Pre-Printed Barcode Labels vs. DIY Printing: The Real Cost Breakdown

• 4 min read

Every seller who needs barcode labels eventually does the same mental math: “A printer is a one-time cost. Blank labels are cheap. Why would I pay someone to print labels for me?” It’s a fair question — and the honest …

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Do You Need a UPC Code to Sell on TikTok Shop? (2026 Seller Guide)

• 5 min read

TikTok Shop has become one of the fastest-growing sales channels in e-commerce, and sellers are moving fast to get their products live before their competitors do. But somewhere between uploading your product photos and setting your price, you hit a …

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How Do I Download My Order Certificates?

• 1 min read

Need an official certificate for your records? You can easily generate and download a certificate for any of your orders, at any time, directly from your account dashboard. 1 Navigate to Your Account Log into your account and head over …

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Selling on Amazon in 2026: Barcode Requirements Explained

• 5 min read

If you’re launching or expanding your product line on Amazon in 2026, understanding the platform’s strict barcode requirements is critical. Whether you’re brand new to e-commerce or scaling an enterprise catalog, getting your product identification right from the beginning will …

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Free Barcode Generator: Create High-Resolution Retail Barcodes

• 2 min read

Generate professional barcodes in seconds with the free Barcode Generator from UPCs.com. Simply enter your barcode number, select your barcode type, and instantly create retail-ready barcodes for your products, packaging, and listings. Free Barcode Generator Our online barcode maker supports …

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How to Fix Amazon Error 8572 (GTIN Mismatch) Without Paying GS1

• 4 min read

You’ve done the product research, sourced your inventory, and you are finally ready to create your Amazon listing. You type in your brand name, enter your UPC code, hit save, and instantly hit a brick wall: “Error 8572: You are …

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How to Avoid Barcode Renewal Fees

• 4 min read

Launching a new physical product is incredibly exciting, but it’s also expensive. Between manufacturing, shipping, packaging design, and marketing, your initial capital gets stretched thin. So, when you finally go to list your product online and discover you need a …

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