It seems that the inventory is limited so YMMV. I've checked my local stores but they didn't have it in stock. The $29.99 price is until 3/31 and the just for U coupon is by 4/2.
LIMIT ONE PER CLUB CARD. You can use a family member's account online to add the J4U deal and use their phone number at the store.
Coupon can be found when you log into your account under the Just 4 U section > Coupon Center > Category: Special Offers