Improved Customer Functionality

Some form of identification on customers to show which customers ordered higher volumes and which customers had a high number of returns/or refunds in the past.

Some form of identifier on the customer, that is clicked by staff, In the "Customers" section so you can give the customers record a traffic light grading system.

Green for customer who order a lot, yellow for normal customer and red for customers you had marked as having a number of returns/refunds