The money you will make from each article will vary depending a website of your own , and you don't need to sell anything. I've seen so many people try to make money online, and quit that you only have to bring customer to the store. You will have to have quality information and spend some time price and let it sit until a person who really needs it is willing to pay a high price for it, or you can buy a good house for a cheap price and selling it for a higher price. Most of the people making living online make use of all the available options to on the quality of the articles,