How wide is tulle suppose to be?

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...

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...

Check with your municipality. Where I live, they're a minimum of 3 feet. In a business district, it's a 6-foot minimum.

You should just throw away as it's honestly of no use after, unless you plan on making another batch. But even then I'd bite that minuscule cost and use another...

Steps 3 & step 4 of the article show how to cut the material and stretch it over the wire to make a petal.

It depends on your body size.