Blogging
Paid writing like e-books or reviews.
Teaching through webinars/e-tuition.
Selling your photographs.
Making themes for blogging or gaming websites.
You get paid for signing up for free Websites, newsletters, playing games and filling out online surveys.
An affiliate/reseller is a person who gets a commission for selling every product that he promotes, whether on his Website or through any other avenue such as eBay.
Buying and selling domain names.
Selling your designs or ideas for printing on merchandise.
Selling advertisement spaces on website.
Make a video of your talent and upload it on youtube.
Doing research work for others.
Providing coding or fixing other Webmasters' issues.
Research different companies that are outsourcing their work as they may have opportunities for inbound call centre agents. You can work for more than one company.
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Freelancing for professionals.
Online Marketing: These include article marketing, writing press releases, forum posting, blog posting, submitting your site to directories and search engines, social bookmarking, etc.
Developing apps for mobiles or sites.
Being a virtual assistant to someone or companies.