Honestly, I used to struggle a lot with zippers until I came across https://www.the-littlest-thistle.com/sew-zipper-pouch/. It’s one of the clearest tutorials I’ve ever followed. Everything is broken down into simple steps with detailed photos, so even as a beginner I managed to make a professional-looking pouch. I used it to create a small bag for my headphones, and it turned out perfect — flat, even seams and a zipper that glides smoothly. The tutorial helped me understand how to keep the zipper aligned and the fabric from shifting. Now I actually enjoy sewing zipper pouches, and I’ve made a few as gifts. It’s simple, satisfying, and a great way to practice precise sewing.