I am relatively new to Switzerland, I moved in from abroad 6 months ago to Zürich. I would like to start giving private piano lessons. I have read
this post and it was really helpful, but now I am wondering about the monetary cost. How can I know how much will I have to pay on taxes? I am interested in knowing both one time payments (e.g. for registration) and recurrent payments (e.g. some percentage of my income).