There are excellent free resources — YouTube channels, Coursera audits, free Adobe tutorials. They're great for learning the tools. What they don't give you: structured critique, live client briefs, an industry-recognised portfolio, and placement support. If graphic design is a hobby, start free. If it's a career, combine free self-study with a structured programme like INSD's diploma — it's the highest-ROI path to a working portfolio and a first job.