To get your order before Christmas, 7th of December is the last shipping day for delivery outside Europe.
Last Christmas shipping day for Europe is 13th of December.
May 28, 2017
Here is a video showing me picking up stitches along the edge of my knitting. I've shown both selvedge and bound off edge as the pick up ratio will be different.
You can learn a bit more about about the ratio for picking up stitches in this video along with more demonstrations on picking up and knitting stitches.