Actually you do, about a month later, they bill one month in advance. The first bill is for the current month and for the next month and then the next bill you get will be for the next month. For example, you start your service today (8-29-2005) so you will get billed for 8-29 to 9-29 and 9-29 to 10-29. The next bill you get will be around 9-29-2005 and that bill will be for 10-29 to 11-29 but not be due for a few weeks. This gives everyone a grace period and is why some people have service for up to three months without paying anything.