Since I moved to Berlin, the large amount of paperwork required to be completed would have been impossible if it were not for my partner and the various blogs that are out there. I will post tips and links here for you which have helped me.
https://www.settle-in-berlin.com/ very good if you are making the big move more permanently
http://needleberlin.com/ deep down dirty news, comment and solid writing about the German capital from a recognised author and wahlBerliner
Ask for Tim, Speak in North German dialect, Moin!
Also available in print.
Go get a bike from the Kulturbrauerai, genuine old skool Berliners/in