The present invention provides apparatus, systems and methods for displaying to each of a plurality of users upon each user's request a preview of shipping rates and delivery schedules for the particular user to ship a particular package, wherein each user accesses the computer system over a global communications network using a client computer device, and wherein each user has an individual electronic connection to the global communications network. The present invention compares shipping rates and delivery schedules for each service and each carrier for shipping a particular package and reports the carrier and service offering the lowest rate or the fastest delivery schedule, according to the user's option.