Before you even pack, set a baseline. If you're a heavy user, you know your puffing rhythm. Count how many puffs you take in a normal day. That number tells you how long a 600-puff or 1500-puff device will last. If you're on a budget, choose a device with a puff count that matches your trip duration—no point paying for more than you need.

Also, get familiar with your device's airflow. Most disposables have a fixed draw, but some let you adjust the airflow. If yours does, experiment at home. A tighter draw gives a stronger hit per puff, meaning you might take fewer puffs overall. That's a budget win.