Originally Posted by
Fizzer
1. That I can prepay for more gas than I actually use and in the end won't be charged for it. I'll take your word for that but it would normally make me nervous.
That's how it normally works even with cash.
Go in, give the clerk some money and indicate what pump it's on.
Pump your gas.
Go back to the clerk and get the change on the pump you were using.
While I do not normally use plastic at the pump I would expect it to work basically the same way.