Customer Service Skills: The customer is always right. You will need to be able speak in a friendly way to customers and potential customers, listening to their needs and helping communicate options for them.
Communication Skills: You will need to speak to customers about a product's different features, and answer any questions they might have.
Flexibility: You might have to work long hours, nights or weekends.
Persistence: Not every customer is going to be a sale. Being able to bounce back if you lose a sale will be key for this job.