For air travel: conferences, 10-day trips, etc. (Based on https://github.com/b-meson/packing.)
- Double check: Date, Time (a.m. or p.m.), location of airport
- Is a passport or visa needed?
- Is FX (foreign currency) needed?
- Check travel situation on the ground (light rail, trains, availablity of Uber / Lyft, etc)