Are you the undisputed top seller in your field? Have your competitors stopped trying to improve? Is your industry unchanging and your product the same as it ever was?
If the answer to any of these questions is "No," then your job
Are you the undisputed top seller in your field? Have your competitors stopped trying to improve? Is your industry unchanging and your product the same as it ever was?
If the answer to any of these questions is "No," then your job