They DO expire. That's why most

Posted by Fiona on Thursday, 10. May 2012 at 00:16 Bali Time:

In Reply to: being shafted posted by robb on Wednesday, 9. May 2012 at 09:36 Bali Time:

people tend to lend them around.
I've never managed to get one for 5,000. Most I've managed is in the 30,000 to 40,000 range.