If you’ve ever purchased a recurring service or product from Amazon, you might want to take inventory of your credit and debit cards on file with the e-commerce giant. Amazon’s terms and ...

Bamboozled: If you have credit cards on file with Amazon, heed this warning. Updated: Oct. 10, ... But Laura said she never gave permission for Amazon to use any other card for her subscription.

Square, which shares CEO Jack Dorsey with Twitter, says the card on file service helps businesses connect with customers, emphasizing the details of the payment system as a secondary benefit.

The insurance approved the equipment and at the end of the purchase, I was told the medical supply company needed my credit card to keep on file. I pointed out that I had met my deductible and if ...