Originally Posted by lowkeyflyer

How relevant is this?

"Upon each swipe of a prepaid debit card, you have exactly one chance to alert the point-of-sale system to process your transaction as debit, instead of credit. That chance comes immediately after swiping the debit card, while the customer-facing keypad appears to still be "thinking."

On the keypads at my Walmart registers, you'll first see a red button in the bottom right corner of the screen. Then, within less than a second, a yellow "Change Payment" button will appear in the bottom center of the screen. That, and only that, is your cue to push the yellow button on the right side of the keypad, embossed with a left-facing arrow.

If you miss that chance your transaction will be processed as credit, and fail."




Is this still necessary?