Yes, search for some Affiliate Programs which interest you. They're usually free to join and you profit by promoting their products or services on the web. For example, see my Hub for details about making money promoting Online Dating: http://hubpages.com/hub/Affiliates-Make-Money-With...
You can help the HubPages community highlight top quality content by ranking this answer up or down.
Are you sick and tired of having to deal with the tough financial times? Do you want to know how the 'other guys' do it? How do they make all that money online? Have you ever asked yourself:'How can I make money online quickly?' Well, you can, and I can show you how.for this
Yes there are lot of online works that are without investment.