Translation of dañino

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
Whatever you decide is fine for me. We arrived in the USA. I remember you telling me that you are working with Holiday Inn. Is there any way that we could get the discount price directly from the hotel?
I am glad for your help. I am sending you additional codes in the attachment. Please remove all codes that are without mistakes from the document and leave just the codes where you made changes.