(A bit of followup regarding payment tracking: you can click on "Billing" --> "View my current charges" to see a breakdown of just how much you owe. I presume i

(A bit of followup regarding payment tracking: you can click on "Billing" --> "View my current charges" to see a breakdown of just how much you owe. I presume it's updated daily if not hourly, but I didn't realize this when I composed my post.)