here's a bunch of online coupon codes for Joann's - i've put dates on the one i know - the others aren't clear on when they expire (the 281A one is still good because i just used it to buy something).
TTF281A = 50% off
TTF267A = 50% off
EFD276 = 50% off 9/27-10/3
EEND269 = 40% off 9/20-9/26