All do not require a website, nor do they require an investment. The only thing required is a little time put aside. They wouldn’t be for everyone, but they are all relatively easy ways to make some extra money.
Google has a User Research section which pays individuals to participate in their online studies.
Microsoft has a feature called the Research Panel which pays you to offer feedback on their products and services.
Amazon’s Mechanical Turk will pay you to do very simple tasks which will earn you a little bit of money.
eJury – Act as a mock juror in practice trials online. Earns you $5-$10 per trial.
WorkingSOL – A more demanding job which will pay you to provide technical support over the computer or phone. You choose your hours.
Appingo – Pays you to proof read and edit. To get accepted you must first submit a resume.
IntelliShop – Will pay you to shop at stores and then write reviews about the products/shopping experience
Mahalo Greenhouse – Pays $10-$15 per site you submit to their directory. Not all sites will get accepted.
Focus Pointe Global – Join up and participate in focus groups for pay.
Arise – Pays for you to provide phone, internet and email support for several companies.
CraZoo – Get paid to post in forums and start topics.
Tutor (.com) – Get paid to tutor people online.
ForumBoosting - Get paid to post in forums and start topics.
Opuzz Voice - Earn money by doing voice overs for their clients online.
SlashMySearch - Get paid based on how much you search on their search engine.
That's all for now.
