Getting accepted into CPA networks is very difficult as they aim to protect advertisers. The document provides tips for getting accepted such as using a professional email, having 10 months of PPC experience, avoiding incentive offers, focusing on email submissions and free trials, and calling the account manager after applying. Easy starting networks include AdworkMedia, AdscendMedia, and Cpaway, while more advanced options are Peerfly, Maxbounty, and Neveblue. Tips are provided for finding profitable offers on specific networks.