Someone brought this up and i thought it would be appropriate in the wig forum.
If you have reallly long wig and dont have much space for storing/transporting:
use paper towel roll thing or sumthing similar and roll the hair up. Then use a lightweight and thin hairnet (you can get them at beauty supply stores) to cover your wig. stuff sum tissue paper in the head part of the wig and put it in a gallon sized zip lock. Here is a picture: