This post will show you how to create a great feedback email that will deliver insights you can use to grow your business.
https://www.campaignmonitor.com/blog/email-marketing/2015/03/collect-customer-feedback-via-email/
It can be very difficult to actually go looking for feedback. You have to dive in head first, tell your ego to go take a long walk, and be prepared to face some hard-to-swallow truths about your business and (gasp!) yourself.
https://www.retailcustomerexperience.com/articles/six-questions-to-get-actionable-feedback-from-customers/
Customer feedback only helps you if you seek it, preferably on a regular basis, and if you act on the information you get. There are several different ways you can get this valuable customer feedback.
https://landerapp.com/blog/great-ways-to-get-feedback-from-your-customers/