Proz.com is a site where you can get paid to translate all kinds of documents, including files and even conversations. The site provides you with an opportunity to list your services as a translator. They offer opportunities in Spanish, German, Italian, Chinese, Arabic, Japanese and other languages, and specialize in legal, medical, technical and other fields.
Flexoffers is another huge affiliate marketing network. They pay you (the affiliate) a lot faster than others in the industry. It has more than 10 years of experience in the field. While they do not offer anything that is neither groundbreaking nor revolutionary, they do provide a solid array of tools and features that will surely aid you in your campaigns. In addition to the fast payouts, Flexoffers lets you choose from thousands of affiliate programs to promote, offers various content delivery formats, and more.
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.