Start with, "Fuck you, pay me." If you try to be diplomatic with people who are trying to take advantage of you, they will eat you alive.
Not saying socialism is the answer, but is capitalism as currently implemented really that great a deal for people who work for a living?
It always causes me to chuckle since its the exact opposite of what management say they want, and they seem to work very hard to produce this result.
edit: googled it - the Jungle, I've been meaning to read that