first, the issue of quota. The online card shop needs to use the cardholder's quota for shopping, and it is fully occupied at one time. If the cardholder's available amount is insufficient, the payment cannot be completed.
the second is how to ensure product quality. Just like other online shopping consumer goods, although the credit card online mall has more credit guarantee, the cooperative merchants in the city are not necessarily the brands themselves, but may be some agents or other merchants.
the third is the issue of return and replacement. Like ordinary online shopping, if the product has no quality problems and is not damaged during transportation, it cannot be returned.