Extensive testing ensures that materials hold up in the retail setting, and constant contact with customers helps keep projects on schedule.

As example and cost comparisons show, long-run average cost for vendors under a time-based consolidated delivery policy is lower than an immediate delivery policy in common situation;

Convenience stores, real-time refers to the operation of commodity-based to meet the demand for convenience as the first purpose, to adopt on-demand approach to small-style retail outlets.