In an ecommerce model, you have 2 main types of paid traffic:

1.) Search engine PPC (Pay Per Click)

The Top 5 PPC Search Engines:

 

Google

The biggest player. The quickest way to generate traffic. The big gorilla owns 60% of the

of the search engine market. Results are instant and the traffic is big. You need to know what you are doing however before you set up an Adwords account. You can lose a lot of money quick if you’re not careful.

 

If you are just getting started beware that over the past 3 months, Google has been playing some games with new algorithms and banning accounts with little to no reason. Something strange is going on.

 

Yahoo

You won't receive as much traffic with Yahoo, but you can receive good results in an ecommerce model. What's nice about Yahoo is you can usually rank higher on search results than Google for the same keywords.More...