I save everything, even little bits of thread. When Iwas doing my degree I used to save all my offcuts from the loom. People used to look at me as if I was mad (maybe I am), but all those offcuts can be used at some time or other. I have so many different colours (all dyed myself) different fibres and thickness, I won't be buying any new for a while. Unless of course someting takes my fancy (oops)!