Freelancing is a great option for professionals who are experts in their respective trades and know how to ensure customer satisfaction. Various freelancing and project-oriented sites allow companies that need help to describe their projects. Freelancers and small businesses offer bids, ideas or proposals, from which the buyers can choose what they find most suitable. Websites such as Elance cover everything from programming and writing to data entry and design, while RentACoder focuses on software programming.
I stopped using this method once I started my own card game site (more on this below), however I still believe niche collectables, particularly in a market that you really love, is a fantastic starting point to gain experience making money online. Like eBay you can make money selling secondhand items in community sites if you can find a way to source product at cost or below. It’s not a model that has much margin so again the challenge is to scale if you want to make significant profit.
One of the cool things about Google AdSense is that it's so easy to get set up. If you have a blog or website, you can sign up for a free Google AdSense Account. From there, Google will give you a unique code that you will paste onto your website. Google takes it from there, tracking your page views, traffic, and earnings on your behalf. There is no upkeep or maintenance to get this thing going, which makes it a no-brainer if you have a website already.