Answer:
The best option for the credit card bill to be kept is safe deposit box.
Explanation:
The best option for the credit card bill to be kept is safe deposit box. Every bank has provided every details of bills through many option which include short message service, notification through hard copy of bills.
Moreover to the above explanation, credit bills are the bills which doesn't need to be kept in any box or any file. Mostly these bills are need to be repay through net banking only. however if someone want to kept that bills for future purpose then safe deposit box is option.