[j4nek]

vi/vim and in the second step that it doesn't matter how fast I can edit something.

Most of the time I make mistakes out of ignorance or lack of experience. Unfortunately, there is no tool for this. But it's good to think about how (technical) things work in everyday life and to take a look at the theory in a dry way This can be books, wikipedia or listen to what pepole from the the peak days of software development says (something before 2005)