I'm not sure you can actually just pay for one month... wait. looks like you can - or at least I'm grandfathered in to some scenario where I can, but it's $19

I'm not sure you can actually just pay for one month... wait. looks like you can - or at least I'm grandfathered in to some scenario where I can, but it's $19.99. $14.99 is for 6 month block prepayment.