• [ ] Know your smoking habits (light, moderate, heavy).
• [ ] Choose a starting strength: heavy = 35-50 mg salts; moderate = 12-20 mg; light = 3-6 mg freebase.
• [ ] Consider your device: high-power mods need lower strength.
• [ ] Test and adjust: if dizzy or nauseous, step down; if cravings persist, step up.
• [ ] If you mix liquids, keep flavors consistent.