SEO Optimization

my name is Cosmo and I am an artist I am already on number one when you google " Mentalist Berlin ".
I would like to position myself also on in the Top rankings in other Cities in Germany.
For example " Mentalist Hamburg" Mentalist Leipzig" "mentalist Hannover" Mentalist Dresden" and so on. Can you give me a proposal about the costs and you strategy in order to get the best results.

here is my webpage www.cosmo-mentalist.de


Cheers
Cosmo