Well I read through the whole post and the suggestions are awesome. One thing did pop into mind is a mention of your prescription meds. If you are taking a beta blocker like Toprol, you cannot just stop taking them or you may die. Other conditions and other meds need thought. Your mileage may vary.
For those who need them, tucking in a few days’ worth of whatever it is you’re taking is a good idea. You’ll have to think through storage issues, though. Freeze-thaw cycles in winter, heat in the warmer months - it’s definitely something to consider if you keep your kit in a trunk in your vehicle as I do.