A method for facilitating the ordering of construction supplies by a customer over the Internet is provided. The method comprises: receiving a supplier reference indicating a supplier; providing the customer with a phase list comprising references to each of a plurality of construction phases; receiving a customer selection of a construction phase from the phase list; providing the customer with a supply list comprising references to a plurality of supplies associated with the selected construction phase, the plurality of supplies being available from the indicated supplier; allowing the customer to make a supply selection of at least one supply from the supply list; recording the supply selection; listing the supply selection; allowing the customer to remove supply selections from the listing; and transferring the list to the indicated supplier in response to an order send command.