Surprisingly great read with lots of great info. Hopefully none of us will have to use the techniques listed, but a good understanding of tactics is vital to survival.
The amount of wax I used on my board, I never finished my single purchase after like 10 years of riding. I would go with whatever is local to you first, and then ask them what they made it from.
I tend to call places and ask these sorts of questions, so please let us all know if you find out anything.