Union apprenticeship sign-ups near Salt Lake City - 8 months and counting

A local apprenticeship programme is taking applicants for the next intake. I do not usually post, so bear with me. The application needs a diploma or equivalent, a driver's licence and a short aptitude test. What do you wish you had known?

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

Thanks for writing this out. I went through something close to it last year, and it settled down once I kept a simple log of every call and form.