What are the biggest mistakes freelancers make in their first year?

[Btaliat]

Obviously, new freelancers make mistakes in their first year as a result of their inexperienced nature. Among the mistakes that they always make is that they charge a way too low. Most of them because they want clients as fast as possible, they can just go for as low as possible amount that the client says. Another thing is that they don't have the confidence to reject or accept task. They can say, let me see if I can ty it. Ehat other mistakes do you know?