No matter how organized you think you are, there’s always that one thing you forget before a trip. This ultimate pre-trip checklist covers it all—from the obvious (passport, charger) to the overlooked (extra snacks, offline maps, the exact right kid-stalling device). Whether you’re flying solo, wrangling toddlers, or just want to stop panic-packing at midnight, this guide will make sure you actually leave home with everything you need—and maybe even a little sanity.