Revolving cards or credits allow the user to defer payments for all their purchases. The lender offers, without any control over whether or not the consumer will be able to return it, a monthly capital that the client returns through fixed installments, yes, with very high interests that sometimes reach close to 30% APR. The Superior Court of Justice itself has described this service as “usurious”, and despite all the controversy with them, they continue to exist. At SER Consumidor we have…