1. As the credit limit of the main card increases, the credit limit of the secondary card also increases. The credit limit of the secondary card cannot exceed the credit limit of the primary card. MasterCard cardholders can limit the amount of supplementary cards. If the amount of the main card is 50000, the amount of the secondary card can be set to 5000, which can not only satisfy the use of the secondary card holders, but also limit the amount and prevent abuse. The credit limit of the main card is the same as that of the supplementary card. If the accumulated consumption amount of the main card reaches the maximum limit of the payment card, the supplementary card shall not consume, and the accumulated consumption amount of the supplementary card shall not exceed the maximum limit of the payment card.
2. The primary card and the secondary card can basically be regarded as two independent cards besides sharing the quota. The use of the payment card will not be affected after the loss of the main card is reported, and the use of the payment card will not be affected after the loss is reported. Hello, the credit card's primary card and secondary card are shared, that is to say, all credit cards held by the same cardholder use the same amount. For example, you hold a primary card and a secondary card with a credit card limit of 10000 yuan in a bank, and both credit cards use a credit limit of 10000 yuan at the same time. When you overdraw 2000 yuan with one card, you can overdraw 8000 yuan with another card. Share sharing means that the same credit card of the same bank and brand shares the same amount (generally the maximum amount of one card). Although several cards have their own single card limit, the total overdraft when used cannot exceed the shared credit limit of brand credit cards.
The difference between the main card and the supplementary card:
1. Annual fee: the annual fee of the supplementary card is lower than that of the main card, which is generally half of the annual fee of the main card.
2. The sub-card consumption points and the main card consumption points can be combined, but only the main card holder has the right to convert the points into gifts.
3. Whether the auxiliary cardholder swipes the card or not and whether the host cardholder swipes the card will affect the host cardholder's credit card. Well, those who think credit cards will never be enough can swipe their cards at will. Actually, there are not many cards, just enough. Today, when we advocate the concept of early consumption, we still have to do what we can. You don't have to pay it back if you swipe your credit card. Don't forget that the reward is only a temporary stimulus.