Work at a marketing agency or production house? Many will pay 50-100% of courses if you show how it improves your work.
While the full Bootcamp isn’t free, School of Motion generously provides to help you get started: animation bootcamp school of motion free download link
Search their blog for “animation workflow,” “graph editor tips,” or “easing.” You’ll find written tutorials and short video clips from Bootcamp instructors. Work at a marketing agency or production house