In an email today, free shipping until 3/29/11 (ie, two days only) with code: FREESHIP88 at checkout.
The fine print: *Prices valid through 3/29/2011 11:59 pm EST. Coupon valid online at Joann.com® only through 3/29/2011 11:59 pm EST. Free standard shipping with your order. Special handling charges (if applicable) still apply. Offer excludes Jo-Ann Gift Card purchases, items already marked as free shipping and special handling charges. Offer is limited to available online stock; no rain checks will be issued. Promotion code can only be used once per person, cannot be combined with other promotion codes and cannot be used on past Joann.com® purchases. Online product prices and selection may vary from store prices and selection. Not valid at partner stores and Jo-Ann Stores.