Union apprenticeship sign-ups near Pittsburgh - any advice?

A local apprenticeship programme is taking applicants for the next intake. I would rather hear the honest version than the polite one. The application needs a diploma or equivalent, a driver's licence and a short aptitude test. Did anyone go through it?

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.