Sitepoint this market through online experience. Some websites and blogs, however, try to repeat this pattern on a smaller scale.
Depending on your niche market, which allows your visitors to buy, sell and trade products can work well. Over time, you could start charging a small fee for new product listings.
The problem with this method is that there is no standard software on the web site, so you need to hire a coder to get the market are integrated into your site.
You can see an example of markets being used to EasyWordpress on Mashable and.