Thank you for your feedback on this idea and letting us know how you would use tagging/rules to identify those repeat or first time customers- your use cases for this feature really help us shape how it would best fit into your workflow. Please keep commenting if you have new ideas so that we can best design this feature with your needs in mind. Our product team is still reviewing this idea and we’ll let you know once a decision has been made.Bradley Berzack Bambini commented
There should be red box on the Order Details page just like the mutlti QTY red box feature.
It needs to light up on this page so its very clear that its a REPEAT customer.