A:start blogging..
long term steady income require some patience and dedication.. fast n easy money r mostly scams..
I suggest you start your blog and monetize with adsense.
I have been successful with adsense and pretty happy with it till now, Its free to start with so no startup cost whatsoever.
you can find some helpful links here:
http://homejobsblog.blogspot.com
You can also find some information and resources on how to get your blog and website rolling here:
http://myfirstwebhome.blogspot.com
Get your site/blog reviewed. Increase your rating and popularity and get more visitors. here is a site that does that for free:
http://mysitereview.blogspot.com
Work From Home Options for Minors under 18
http://homejobsblog.blogspot.com/2008/05/work-from-home-options-for-minors-under.html
-all the best