You just screwed in a fresh coil or cracked open a new disposable. First hit? Tastes like you're licking an ashtray. And you're sitting there wondering if you got a dud or if vaping just isn't for you. Here's the thing — that burnt taste usually isn't the coil's fault. It's what happened in those first five minutes after you installed it. Most vapers skip one crucial step, and their coil...