There's no ticket system here, just an inbox someone actually reads. Wrong self-employment tax rate, a broken calculator, a tool you wish existed: all of it goes to the same place.
Messages go straight to Chris Terry, the site's founder. Corrections to a specific calculator get the fastest turnaround since he can check the number against the source and update the page the same day. General questions and calculator requests take a little longer, usually 1 to 2 business days.