哥伦比亚航空在美国有两张联名卡 $149 年费版及 $50 年费版，这两张联名卡都是开卡消费一笔即给奖励，并且有一个小技巧：你可以拿完奖励后打电话去 waive 第一年的年费。。
Doc 分享了一则关卡 DP。目前似乎被关卡的人不多（这卡持卡人数量本身也比较少）。关卡来自 Fraud Risk Control Department，信件信息如下：
The credit card contract applicable to your account grants either party the right to terminate the account relationship or the credit privileges at any time with or without cause. It is a voluntary agreement that either party may terminate unilaterally.
The Bank has chosen to exercise said contractual right and hereby informs you that the above mentioned account will be close effective <date>. Please destroy and discard any card you may have received for this account.
Credit card #XXXX
After said date, you will not have access to any of your credit card benefits. As a result, you must take the necessary steps and make the necessary arrangements to avoid setbacks. If you have authorized any companies to charge your account for membership fees for ongoing services, please contact them directly to arrange an alternate method of payment.
If there is a balance on the account, you will continue to receive your monthly billing statements. We inform you that you remain responsible for the payment of any balance in the account, which will remain subject to all the terms and conditions of the Agreement.
Sincerely,
Fraud Risk Control Department
正常用卡、经常用卡的人应该不至于被关卡。不过既然这张卡没啥特别福利，不常飞哥伦比亚航空的话，也不太适合长期持有。
