Finally, you must open all communication channels to customers. Users are the most important thing you have. Telephone, programmed assistance robots that understand, recognize doubts and resolve them, chats, e-mail… all communication channels with your clients must be operational to resolve doubts, to attend to complaints. Every complaint is a reason for learning, and for improvement.
Also we cannot forget the competition, the competition is something that happens outside the environment of our store but we have to investigate it, we have to follow it, identify its weaknesses, where we can influence to be more successful.