With these back ups and emergency plans you also need to keep infusion sets around, insulin, medications, band aids, stuff, weird things, low treats, and who knows what else but you need it so make sure you go through your diabetes purse and look at your supplies, go through your car and verify you have meters, strips, batteries, and supplies for pumps and what not in it. If you travel I like to have an entire supply of everything in each of my bags, a copy of my prescriptions, and comfort foods with me like a granola bar and skittles or something. I once had a doctor tell me: Dave, if you are high for a while eventually we cut a toe off, you lose your vision and all sorts of other things but it takes a while. If you go too low once you are dead instantly. Don't ever put yourself in a situation where you have nothing in that predicament.
I hope you did not take any of these past three days as "advice" because I do not doll out any of that stuff here. I do hope I opened your eyes to how to think about being diabetes prepared for any situation and to know how to stay calm and come out alive in the end.