Create a spreadsheet that looks like this: The Pocket Tracker for Tracking Credit Card Calls Call Date Time Name of Rep Rep’s ID# Comments Whenever you make a call regarding a dispute on your bill, you wouldn’t believe how powerful it is to refer back to the last time you called—citing the rep’s name, the date of the conversation, and your call notes. Most credit card reps you talk to will simply give in because they know you came to play in the big leagues.