CPA affiliate marketing can be profitable provided you do the right thing. Many people earn a good income with doing CPA affiliate marketing. You need to choose the right offers to promote to your target audience. You also need to target the right audience when you are running your ads. If you drive quality traffic, you can see good results over the time. The key is to drive traffic almost all the time. Profitability depends on the effort you put in. You must track your campaigns and optimize them. Some people make a lot of money, while others earn less. It takes time and consistency to succeed with CPA affiliate marketing. The more you learn, the better your results will be. CPA affiliate marketing can be a profitable venture with the right strategies. It is advisable to have a mentor to guide you so that you will see good results fast.