To work in retail is to hear complaints. It’s your job to address each complaint, found or unfounded, from each retail customer. While this part of the job is often the source of headaches, it can also be educational. Here’s a list of things you can learn from customer complaints.

A Point-of-Sale system (POS system) is typically recognized as any technology that conducts and records sales transactions, processes credit and debit cards, and manages inventory.