Start with 1 DOUGH 3 LOAVES (12 min, Brian Lagerstrom), then Claire Makes Sourdough Crêpes Suzette (35 min, Bon Appétit). All 119 lessons here are free, from the teachers' own official uploads. You'll need dutch oven, banneton proofing basket, bread lame and a few more basics (about $115 of kit). The book to keep beside you: Flour Water Salt Yeast by Ken Forkish.