Hey guys! Have you ever used the "Bill Me Later" option online, like somewhere on Amazon.com? How does it exactly work? Is there any extra charge later on since you are paying at a later time? Do you have to sign up for anything in order to use the option? For instance, say I went on Amazon.com and I was purchasing a $150 item. I check of the Bill Me Later option. Later when I receive the bill, will I be charged like $160 instead of $150? I tried reading about it, but I don't quite understand for some odd reason. I appreciate it if you can clarify about this option. Thank you!