Honey, you have to be clear about what you want to do. Why do you want to find an intermediary? Generally speaking, it depends on what kind of card you are. Some banks can temporarily increase the amount during the Spring Festival holiday, generally depending on the length of time you spend, if you have a good reputation. You can directly call the customer service of the relevant bank to apply. There is a process of computer audit. After that, you can permanently increase the amount. If your credit is good, some banks will call you and ask you to increase the limit. Chinese preposition. If you cash or pay on behalf of others, you can make a one-time transaction and give them an agency fee. Generally speaking, what they give you, double cash for empty cards, is between your cards, and small intermediaries can't do it at all. Let's not say that the intermediary is unsafe, and it is possible to steal your information and brush your money. Once the bank finds out that you are blacklisted and reported to the People's Bank of China, it will not be worth the loss. After that, at least 10 is required. Can't use all kinds of cards, can't apply for loans or mortgages. At least, you think that ordinary families will need banks in their lives. Moreover, family members and relatives may also be refused loans by banks because of blacklisting. Or borrow less money.