Many entrepreneurs who sell on the Internet regard Amazon as the ultimate competitor, but the e-commerce giant is trying to show a friendlier face, with two services designed to help you reach the site's 50 million monthly visitors. For $39.99 a month, you can upload your inventory directly to Amazon.com, much like opening a kiosk at a massive shopping mall. You can also run pay-per-click ads linked to keywords of your choosing. The minimum per-click cost can be high compared with Google, but you would likely reach more actual shoppers as opposed to, say, students researching a term paper, according to this article.
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