Such is the nature of business: each customer is different from the other and knowing well your price policies and your way of dealing with them, they always want more and if you don’t grant it, they will get frustrated and move on to your competitors. How many different types of customers have you got? Some of them want to be treated differently from others as they buy many products each month, those who want to be privileged because they are old time customers and so on… But how could you possibly give privileges to each one of your customers, knowing that each one of you has different needs? Sure, when we manage a small store, we can surely change the user role by accessing WooCommerce’s options, effectively giving them advantages others don’t have, but when these customers become 10, 20 or 100… it may become a problem.
YiThemes - YITH Automatic Role Changer for WooCommerce v1.1.3