Customer service, it should start with trying to speak to customers instead of turning them over to automated answering machines.
The customer service in ordering. I placed an order 2 years ago and if finally came in stock and i have email traffic showijg i still wanted the items and they deleted my order and wont honor it or fix it back
Ease of use and customer service.
Listening to customers when there is a problem
Customer Service, Inventory management, logistics.