Union apprenticeship sign-ups near Knoxville - what worked for you?

A local apprenticeship programme is taking applicants for the next intake. I do not usually post, so bear with me. Applications close in 22 weeks. What do you wish you had known?

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.

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