Because the things you don't know about shipping trade show freight can hurt you. A lot of exhibit managers would answer that it's transporting their materials to shows. For one thing, there's the suspense. You never know whether your exhibit and all of your paraphernalia will arrive intact and on time. For another, there's the cost.
Shipping is expensive.
There are a lot of subtleties to it. And the things you don't know can bite you in the wallet. Here's what they told us. Tell the agent how your materials should be shipped. If you don't know, you'd better find out.