Cost per Acquisition (CPA) is one of the most important factors in marketing campaigns. Here you can find how to measure it, and what to do with it.

CPA, short for "cost per action" or "cost per acquisition" provides affiliate marketers another great way to make money on the internet.

Cost per action, or CPA, is a very lucrative field for affiliate marketing pros, but most affiliates will never be accepted into the standard CPA networks. That's about to change though, as next-generation CPA networks come online to rock the CPA world.