The best way to make money online with eBay would be to develop a website to "match your market". You will be using the Build a Niches store affiliated with eBay and their management system will develop professional features to match your website. Match your market basically means that your targeted niche seems related by the design, having more depth to it through the eBay Store and Content Page features. Your store will soon have pages with keywords that target to the theme of you niche that your market is actually using to find products within your store list. To sum it all up, you are creating content for your website and the more pages you add the more feedback and keywords target to your site in the search engines.