Shipping Modes

Introduction

Air carriers are just one of many different ways to transport goods including truck, train, and ship. Where possible products like oil are even transported by pipeline. Most, if not all, of these solutions are less costly than using air carriers, but the up front shipping cost is not the only factor to be considered.
Instructions

List at least five (5) major factors that customers would also need to consider in addition to the upfront cost of shipping. Then, select one and respond to the following:

Why is this an important factor to consider before selecting a shipping mode?
Under what circumstances would an air carrier be the preferred choice based on this factor?
Discuss how, in the end, your factor is also financially based.