The current history of me dealing with Amazon Customer Service reps:
Mon, Aug 08:
"Please try again over the next few hours. Errors like this [an HTTP 503 on a subdomain] are usually corrected shortly after they're reported."
Fri, Aug 12:
"I need to look into the problem with the website and it'll take a bit more time than usual. I just wanted to let you know I'll write back in 2-3 business days with more information."
Tue, Aug 16:
Who knows!