If you live in a building with doormen or doorwomen in New York City (Manhattan, Brooklyn, etc.), you are probably confused right now about how much you are expected to tip them for the holiday season. Nobody I've spoken to seems to really be confident in their answer to this and articles give conflicting advice on what a reasonable bonus is. That's why I made this little program to help solve the problem. Just click below, and answer a few quick questions in order to get an estimate of how muc...