There are several different types of affiliate programs and Pay-Per-Click is just one of them.  Google AdSense is a hugely popular program.  It is free to start and easy to use.  Along with Google’s tools and support starting your own AdSense campaign is super easy.  Combining links from Commission Junction saves time by providing affiliate advertisers for you instead of you having to spend lots of time finding them yourself. 

Having the right tools can also help you along the way.  By using keyword tools like Google AdWords which is a free service or a pay for service like Word Tracker.   Search engine monitoring tools are also helpful at giving you a snapshot of all the different analytical that you’re marketing efforts are making.  Try a program like CleverStat which is easy to use and offers a free monitor for Google.  

Affiliate marketing can be a tricky to get into and may take several tries to get it right so don’t get discouraged.  Make sure you do a lot of research before jumping in and make sure you don’t give up too easily.