Cost Per Action or CPA is the highest paying online advertising that works today, with commission ranging from $1-$25 for every sign-up or a 10 percent payment for an actual product purchase, what can you lose? And if you are a blog owner, this is an easy and lucrative way of monetizing from your efforts. However, negative reactions on online advertising which includes cost per action or CPA strategies had already been proliferating even before its birth. Which poses the question, is CPA really …