stitchintheditch.com has some aurifil thread on sale now.
dinkydoo sells aurifil.
https://www.flarefabrics.ca/Threads_c_33.html. Flare fabric# has free shipping on orders over $200. That’s a lot of thread.
Tristan threads in BC sells Genziana which is similar to aurifil I believe. They used to sell aurifil and switch to the genziana. They have sales.
http://www.tristan.bc.ca/cart/home.p...ction=0&page=2