Most of what you need to learn digital marketing is available for free online. Google has free courses that teach how ads and analytics work. YouTube has thousands of tutorials covering everything from SEO to social media strategy. You can start a free blog and practice real campaigns without spending anything. The only cost is time and consistency. Paid courses can save time by organizing the information better, but they are not required to build real skills. So do you think free learning alone is enough to build a career in digital marketing, or does paid training give a serious advantage?