Apprenticeship openings for electricians and welders - any advice?

A local apprenticeship programme is taking applicants for the next intake. I have read a lot of threads here and could not find my exact situation. Applications close in 9 weeks. What do you wish you had known?

You earn while you learn, but the first year is tight. Plan your budget carefully.

Bring your transcripts and any proof of work history. They asked for both in the interview.