I definitely think you should my friend because it would be a way of putting shop apart from a more standard name because people will be thinking of the Re-Tail area of the forum most likely if someone was talking about your shop with just the name of it at the moment (plus, it would just look cool).
Hey my friend, I have a suggestion for your shop: instead of it being "RETAIL", you should call it "R3TAIL" since it would be based upon how your username is spelled which I think it would be quite fitting!