Update: I received the "You have spent money" email at 4:20 a.m. Eastern. It wasn't until 2:15 p.m. Eastern that I received a follow-up email explaining that

Update: I received the "You have spent money" email at 4:20 a.m. Eastern. It wasn't until 2:15 p.m. Eastern that I received a follow-up email explaining that the invoice I'd received was erroneous.