This document discusses considerations for changing careers and provides advice on how to prepare for a career change. It suggests that a career change requires completely overhauling one's work and usually means retraining and starting from entry-level positions. The document advises people considering a change to assess their skills, achievements, and interests, observe other jobs, and gain experience in their target career field. It also recommends speaking with training providers, recruiters, and finding a mentor to help navigate the career transition process.