The gift cards can NOT be used to cover shipping. There is a cart minimum of $8.95 (Shipping rate) The gift cards do not expire. This gift card can be used on all collections including tum blers and personalized items. This promotion is limited to one $5 gift card per person and cannot be gifted or exchangesd as it is linked to the email it is sent to. The gift cards can be used with other promotions and sales.