A computerized computer program in an Internet Web site with input and output capabilities for the sale, issue and dispensing of debit cards that includes automated teller machine as dispensers for debit cards that include each one a unique identification number on a storage member thereon. A purchaser clicks the Web site address through his or her personal computer, then, following the program steps, enters his/her particulars and those of the transaction which are merged with one of the unique identification numbers and transmitted to a remote computer facility that acts as clearing house for the users' transactions. The remote facility includes input and output means to communicate with the debit card issuer(s), the dispensers and the associated circuitry to obtain the identification numbers of the debit cards being issued and dispensed and the particulars of the holders and the transactions. Adequate software is provided in the remote facility to permit holders to access the same line of credit opened for one or more debit cards so that different users can remotely access and affect one or more lines of credit.