You've described the ideal scam artist dream job offer, take care there are no good paying easy to do online jobs, bear in mind you would be competing with a worldwide talent pool with a low cost of living. Most job offers are a deception or outright scam, avoiding making any form of payment for work will eliminate the majority of scammes.
Busywork sites doing surveys, pay to surf-click don't really pay too well and might deliver your contact info to spam marketers.
Freelance contractor bid sites where programmers pick up work also have some writer jobs, most of which are simple short articles for web sites.
Check out: elance.com, odesk.com, allfreelance.com, getafreelancer.com and project4hire.com
