That's a really useful video.
I noticed one little error: at security checkpoints in the U.S. and Canada (and probably in other places),
you do not need a prescription for medically necessary liquids/gels, and they may be in containers exceeding 100 mL.
1 Present them at screening and state that they are medically necessary. The regulations require that you be allowed to travel with them.
1 Details for Canada & United States.