When it comes to online marketplaces, one wouldn’t be mistaken to call eBay the king. After all, it was well over 162 million active users who not only purchase but sell products to a massive audience. With that said, you might not be making nearly as much money off of the site as you would like. In order to increase your profits, here are a few of the best tips that the likes of Bob Jain will be able to offer.