<iframe width="580" height="385" src="https://www.youtube.com/embed/rfeSZCN6c-k" frameborder="0" allowfullscreen></iframe> <br>Participating in a trade show always calls for a healthy investment of time and money. There are participation fees, booth construction costs, staffing, marketing ... <br><a href="https://www.youtube.com/watch?v=rfeSZCN6c-k">source</a>