Ad network traffic is really a last resort. In my experience, they tend to focus a lot on remarketing and not enough on testing related products/services. For a

Ad network traffic is really a last resort. In my experience, they tend to focus a lot on remarketing and not enough on testing related products/services. For a lot of sites with lower traffic volumes, you might find better CPM's by hand-picking affiliates. At large volumes, doing ad sales.