Even see prices cheaper (if special) than through the PlayStation Store. The advantage of taking this scratch card is that we not let his credit card number on the psn (also avoiding the automatic subscription renewal at the end of the period). As psn has been hacked several times, is a good solution to not worry about the theft of banking data!
There is no deadline, so we can buy it when it's coupon and use it when desired (combined with an ongoing subscribe to lengthen)