A two-tier affiliate program is an affiliate model that allows you to make . affiliate tools offer generous affiliate terms to incentivize you to help spread the news. People are freaking out, though, and it's important to understand why so many affiliates are currently scrambling to find new programs. There are literally hundreds of affiliate programs available to bloggers and online affiliates. In this post I cover the best affiliate marketing networks. Jamie, why do information and software product producers avoid accepting new affiliates to.