Avoid applying vinyl graphic at the show site unless you absolutely have no choice, or it’s something small and simple.
It is not easy to find someone who is experienced and good at applying adhesive vinyl graphic at the show site. No matter how good that they said they are, always take it with a grain of salt. Print large area graphic on 1/8″ PVC sheets whenever possible, it is significantly easier to apply on site. Even if you have to print last minute graphics on site, choose to print on PVC if you can. Even though it costs more than printing directly onto adhesive vinyl, the time and stress you may otherwise incur will end up costing more.