Freelancing is another one of the best way to earn money online, other than AdSense and affiliate marketing. Being a freelancer, you will work with small or big companies on a temporary or permanent basis and provide your services, demanded by them.
People can easily make $500 to $2000+ per month through freelancing websites. It depends on the type of skills you have, to give your services to your customers.
Skills that you may offer to other people are, photo editing, video editing, writing, SEO, Logo designing, developing etc.
Few websites to start work with immediately are as follows