Gütermann thread allows a huge choice of colours for sewing. It is also of a consistent quality both in strength and dye which is useful.

I agree with the comments above that you can use cheap thread for basting but I have to accept the very sensible advice of my kiltmaker to use a colour that can never be confused with the threads of the kilt. He uses bright pink. which means I can easily see it and, as I don't have pink stripes on my kilt, if I cut a pink thread I know I'm not cutting the kilt!