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Practical notes on selling across marketplaces — no fluff.

October 29, 2026 · 4 min read

Returns across several marketplaces: one policy, many sets of rules

Each marketplace has its own return windows and rules. Here is how to set your own baseline policy, track every return in one place and use return reasons to protect your margin.

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October 26, 2026 · 4 min read

Product identifiers (GTIN, EAN, SKU) explained: why they decide whether your listings go live

A GTIN identifies a product in the world; a SKU identifies it in your own system. Confusing the two, or getting either wrong, is one of the most common reasons listings are held back. Here is how to keep them clean.

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October 24, 2026 · 4 min read

Otto Market: getting started on a curated German marketplace

Otto Market is a curated German marketplace: you apply, you are approved, and German shoppers expect German-language data and reliable delivery. Here is how to approach it calmly and start small.

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October 22, 2026 · 4 min read

Rakuten marketplace: what European sellers should know before listing

Rakuten France is a different marketplace from the ones you may already know. Here is what to prepare on onboarding, product data, shipping and returns, and why starting with a single category is the safer path.

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October 19, 2026 · 4 min read

Zalando Partner Programme: what fashion sellers need to know

Zalando is one of Europe's largest fashion platforms. Its partner programme has strict expectations on brand, product quality and delivery. Here is what a fashion seller should check before applying.

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October 17, 2026 · 4 min read

Fnac Marketplace: what French sellers should check before listing

Fnac is a long-standing French retailer with a loyal, culture-minded customer base. Its marketplace suits sellers of books, media, electronics and leisure goods. Here is what to check first.

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October 15, 2026 · 4 min read

TikTok Shop: selling through short video, and the honest risks

TikTok Shop lets sellers sell inside short videos and live streams. The reach can be large, but the rules, the content demands and the account risks are very different from a classic marketplace.

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October 12, 2026 · 4 min read

Allegro: the Polish marketplace most Western sellers overlook

Allegro is the largest marketplace in Poland and one of the biggest in Central Europe. It has its own rules, its own language and its own shoppers. Here is what a seller needs to know before listing.

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October 10, 2026 · 4 min read

Kaufland: why it is worth a look before the bigger German marketplaces

Kaufland runs a large German marketplace backed by a major retail group. For sellers who already know their product, it can be a calmer place to start than the most crowded platforms.

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October 8, 2026 · 4 min read

Cdiscount for sellers: an onboarding checklist that avoids the usual delays

Cdiscount is one of the largest French marketplaces. Account validation is where most new sellers lose weeks. Here is the checklist that keeps the process moving.

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October 5, 2026 · 4 min read

Walmart Marketplace for European sellers: what to prepare before you apply

Walmart Marketplace is open to sellers outside the United States, but the application is strict about documents and product fit. Here is what to prepare so the review does not stall.

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October 3, 2026 · 4 min read

Why we bill by the week, and why most software does not

Monthly subscriptions are the default in software. For a business that is still finding its rhythm, a monthly commitment is often the wrong size. Here is why we chose weekly billing, and what it changes for you.

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October 2, 2026 · 5 min read

How eBay's seller rating really works, and the three numbers that matter

Feedback stars are not what determines your visibility and payout speed. Three defect rates do. Here is what they measure, how fast they move, and how to keep them clean.

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September 20, 2026 · 4 min read

Amazon to eBay repricer: what actually matters when you choose one

Every tool promises "automatic repricing". The differences that cost you money are in the details: check frequency, price floors, out-of-stock handling and what happens when Amazon changes its page.

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September 18, 2026 · 4 min read

How to sell on five marketplaces without doubling the work

Every extra channel adds listings to maintain, prices to watch and orders to route. Here is the setup that keeps one person in control of five stores.

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September 15, 2026 · 3 min read

Out-of-stock: the silent margin killer

A listing that sells while the supplier has no stock costs more than the sale. What it really costs, and how to make it impossible.

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September 11, 2026 · 3 min read

Tracking numbers: the small task that decides your seller rating

Marketplaces do not measure how fast you ship. They measure whether a valid tracking number was uploaded on time. Here is how to never miss one.

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September 8, 2026 · 4 min read

Running several Shopify stores as one operator: structure before scale

A single Shopify store is simple. Five stores under one operator become a data problem. Here is how to structure product data, stock and pricing so growth does not turn into chaos.

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September 4, 2026 · 4 min read

Etsy and the handmade marketplaces: when reselling there makes sense

Etsy is built for handmade, vintage and craft goods. Resellers can still find a place there, but only with the right kind of product and a clear story. Here is how to decide.

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September 1, 2026 · 4 min read

Bol.com for non-Dutch sellers: rules, language and what gets accounts suspended

Bol.com is the largest online retailer in the Netherlands and Belgium. Foreign sellers can join, but they need to respect its language, delivery and service rules from day one.

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