The skube journal
Notes from the
marketplace.
Playbooks, product notes and plain-language guides for running your whole marketplace business by talking to it. Written for sellers, no dev jargon, no fluff.
GuideFeatured · 6 min read
Flat files: why every marketplace wants a different template (and what it costs you)
Amazon's flat file, Kaufland's CSV, OTTO's attribute sheet, eBay's file exchange: same product, four shapes.
Michael24 Sep 2026
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