Measure the length you want the skirt to be—wear the shoes you'll wear with the dress while you do this. Add 5/8" allowance at the waist seam and at least 1-2" for the hem in case you want to even the hem later.
First off, you may be misunderstanding the word 'ignorant'. An ignorant person is not someone who ignores you. It can refer to someone who refuses to acknowledge facts or inform...
Gather the tulle by using a loose stitch, either by machine or hand stitching. Pin the new skirt to the waist seam of the original skirt to secure it in...
I would recommend netting, or whichever is stiffer. You'll need the support. Also, I would recommend wearing a long slip underneath, as both tulle and netting can feel quite scratchy...
I would use ones that are small in diameter with small, rounded heads. Make sure they are long enough to grip into something solid after they've penetrated the shoe moulding...
