Links to my favorite sources

Iloveyarn is a great place to get mill ends like the eyelash terry I used for the bath towels, tencel, and silk and tencel blend.

Dharma trading company. For dyes and dyeing tools

Yarn barn has just about everything at a good price

I will add more as I go. If you have a great source to share post it on my comments and I will add it to the list!