How might the queuing process positively or negatively impact customer loyalty?

In today’s fast-paced environment, individuals are continually trying to do more with the same limited time constraints. In a retail store like Wal-Mart, explain how components of queuing systems can influence customer satisfaction or dissatisfaction. How might the queuing process positively or negatively impact customer loyalty?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
FIRST15

Order Now