If you are a teen, you have most of the opportunities that are available to you as an adult, but not all.  There are a tonne of ways for teens to make money, but some of them online require that you are a certain age.  Most of them require that you are 18 or older.  So, if you are 18 or older, there are many ways for teens to make money online. 

You can make money online writing, or by doing surveys and other things.  You can make money online selling products and marketing as well.  Other ways for teens to make money are by getting a regular job.  If you can check your local job bank you can find a number of jobs that you can earn money with.  You can also get a paper route if you are a young teenager.  Other ways for teens to make money are through educational programs.  Some high schools and grade schools offer ways for teens to make money.  There are a lot of ways for teens to make money, you just have to open your mind and be creative and know what you want and keep working at it until you see a return.  No matter what size of return you get, just make sure that you keep working until you make more money.