One of the perks of HubPages is that you can earn a passive income from articles you publish on the site. Here's how.
An introduction to Google Analytics with instructions for setting up your HubPages account within the service
The official HubPages guide to signing up for Google AdSense through HubPages (and connecting an existing AdSense account to a HubPages account)
An introduction to the HubPages Earnings Program, which enables payment (from various affiliate programs, contests, and HubPages Ads) through your HubPages account.