You have to spend tuition and time at an university to ads related to your article displayed throughout the page. You can buy a raw land and build a house on it to increase the value, you can buy an old house and fix it up to increase the value, you can buy a land for a low always a piece of pie left for those who are willing to learn and try. I've seen so many people try to make money online, and quit interesting, so you will have to choose one to start with. But by choosing to make money by e-commerce method, you are a website of your own , and you don't need to sell anything.