― It's surprisingly simple to get started posting your very first auction on eBay. Here's what you need to do. ∙ Step 1: Open an eBay seller's account. ∙ If you've bought things on eBay, then you already have an account - just log in with it and click 'Sell' in the toolbar at the top of the page, then click 'Create a seller's account'. If you've never used eBay before, then you'll need to open an account first using the 'register' link underneath the toolbar, and then click 'Sell' [...].