Sources
Primary sources include eBay UK Help and Seller Centre for marketplace rules and HMRC or GOV.UK for tax and platform-reporting guidance.
How this applies
We make assumptions visible, link to primary references and avoid unsupported claims. If a current marketplace rule conflicts with a page here, the current official rule takes precedence.
Independence
eBay Profit Calculator UK is an independent publisher and calculator site. It is not an eBay service and cannot access your eBay account, transactions or Seller Hub.