"Gold – No upfront fee. Guarantee your seat for every Albion cup game at the Amex. Your credit card will automatically be debited and your seat will be loaded straight to your stadium access card. "
http://www.seagulls.co.uk/news/article/albion-launch-new-memberships-891092.aspx
Gold membership doesn't give you the right of first refusal for home cup games - it's a two-way contractual commitment. The club guarantee your seat for you and you guarantee to buy it. Indeed, I think the club automatically deduct the money from your bank account under a DD.
Concerning the...