If you’re flying outside the US, rules get trickier. Some countries like Thailand or Turkey have outright bans on vapes. You could literally go to jail for a Juul. Research like your freedom depends on it, because it does. Check the country’s customs website, not a Reddit thread from 2019. Yes, I’m talking to you, “PuffMaster420.” Do your homework.
TSA Agents: They’ve Seen It All
Let me tell you a secret: TSA agents don’t care about your vape mod. They care about dangerous behavior. If you proudly pull out a giant box mod with three batteries and a tank, they’ll just shrug. But if you try to hide it in your sock? Magic show time. Be casual. Put it in a clear bin. Act like you’re putting down your phone. They may even compliment your flavor—I’ve had that happen, and I still blush.