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收到 Discover 的郵件，新增一張副卡後，在 3 月 21 日前只要刷一次卡，就可以拿到 $25 現金回饋。一個帳戶只可享有一次這項活動。$25 會在 3 個帳單週期內發放。我兩張卡都拿到這個優惠了，想必大家收到的也不少。建議先查查郵件，沒有郵件的話就不要加，這通常是定向優惠
1 Get $25 Cashback Bonus® after you add an Authorized User and make a purchase by 3/21/22. Only purchases made after the Authorized User is added will count towards the offer. In order for a purchase to qualify the transaction date must be before or on the last day of the offer. Offer is limited to one Authorized User $25 Cashback Bonus® promotion per account. Once promotion details are met, cash back will be credited to your account within three billing cycles.
副卡也會上報到信用局，對信用紀錄較短的人來說可以幫助建立信用紀錄。不過如果主卡有沒繳清款項的情況，也會影響副卡的信用紀錄。
2 Primary account holder is responsible for all charges made by the Authorized User (s) . Discover reports the account credit history to the three major credit bureaus as to you and the Authorized User. This can help build the Authorized User’s credit history if used responsibly. Late payments, delinquencies, or other derogatory activity with your credit card accounts and loans may adversely impact yours and the Authorized User’s ability to build credit.
