I think a hint should be given after a certain number of guesses have been made. 128 wrong guesses so far...maybe at 150?
$21.09 Considering the two hints we have it should be easy enough as long as people pay attention to them and don't guess numbers that have already been guessed.
Well, since you asked Hopefully this link should work: Here! Note, the red numbers indicate that it was one of the guesses that were hinted at as potentially being close.