In Reply to: How do the banks watch your card? posted by kellzzbellzz on Monday, 19. December 2005 at 12:47 Bali Time:
Unusual activity gets flagged. I did my Xmas shopping one day in a frenzy at one shopping centre and my husband received a phone call to say there was an unusual excessive activity on the card. Once he informed them it was just me Xmas shopping all was fine. This was on a Sunday too.