Start with 25 Best Cricut Tips, Tricks, Shortcuts, Hacks, & Hidden Features (24 min, Jennifer Maker), then CRICUT: 20+ Things You're Doing the HARD Way (+ EASY Fixes) (96 min, Jennifer Maker). All 619 lessons here are free, from the teachers' own official uploads. You'll need cutting machine, cardstock assortment, self-healing cutting mat and a few more basics (about $300 of kit). The book to keep beside you: Making Handmade Books by Alisa J. Golden.