Here are a few:

1) Creating pages for keyword content and running Google AdSense program on each page of your site. You get paid each time a visitor clicks on your Google ads!!  Depending on the content of your website you could generate anywhere from $0.05 to $50+ per click!! FREE to join! Click on the icon below for more information.
 

 

2) Affiliate Marketing -

Click Here -> Sell products and services from your site.
Join Commission Junction and make a percentage from each sales generated from your website. FREE to join!