Expos or trade shows are easy. Show up, put some stuff (maybe a LOT of stuff) on a table, sit, and wait for the attendees to visit your table and immediately buy your product or schedule their trip. No training is needed. One can’t mess up an expo. Based on the one I attended recently, one can! As I walked the room and looked upon other booths, I identified nine ways people failed. I am not suggesting mine was perfect. I was walking the room so clearly I didn’t have an endless line of potential customers at the booth. Here’s…