blogspot pbn

Hi, i have questions somebody know, good software for submmiting articles on multiple blogspot blogs?

Hi, I want to register few blogspot web 2.0 for my pbn. I have 3 questions, hope you guys will help me 1. Do you register all the subdomains from a single Google account or different Google accounts 2. If you register them from different Google accounts then do you change your ip address...