Well I was actually being sarcastic about sending them the invoice, it was a joke. As for my response to negative feedback, I simply stated that if my story is

Well I was actually being sarcastic about sending them the invoice, it was a joke. As for my response to negative feedback, I simply stated that if my story isn't interesting, he was free to ignore it or flag it. HN has tons of stories submitted every minute. I don't see a reason to comment in some, asking about each's relevancy to HN. Thanks :D