This article is about the top CPA Marketing Guide you will find. In my opinion, this is one of the best guides available that explains step by step what it takes to convert visitors into customers and ultimately convert them into lifetime members that will buy your products. CPA Marketing is a method of creating website traffic to your site by gaining referrals from others. Once the referred visitor creates an account with the network, the referred person will become their customer. The network will monitor all sales made via the referred customer via the network.