Nowadays plenty of people make money online by selling people stuff. You can find out how to do that from courses like Presell Secrets X. At the beginning, you have to form a website. Than find a product that you want to promote and write a review about it on your website. The main thing here is to know people psychology, to realise how people think when they are looking at buying products. Last, but not least, is to force traffic to your internet site. You can do that by purchasing traffic or by improving your site for search engines.