What is this thread all about?
Just a place for general discussion. A place to unload whats on your mind and talk about anything - personal, health, help needed, achievements, daily highs and daily lows, theories, predictions and what have you.
Does not need to be Q related.
Could be they are discounting the cash payment for the amount they would have gotten charged if you had used your card. Typically 3-5% depending on card company, if I remember correctly.
Said so much simpler than my response.