Not all comparison tests need the same budget. Here's how to scale your testing based on your operation.

• Under $100: Sample 2–3 units of a single model, focus on basic functionality (draw activation, charge, puff count), and rely on online reviews for deeper insights.
• $100–$300: Expand to multiple models, test across batches, and start tracking performance metrics like battery drain over time.
• $300+: You can afford to buy a full case, test randomly, and even do basic teardowns if you're handy. This tier gives you the most confidence.