Some common "don'ts" include never asking about career paths and promotions until after you get the job, if at all, since offers can be canceled.
Roy Cohen, a New York career coach and author of "The Wall Street Professional's Survival Guide" (Pearson PTR, 2010), says you should also defer questions about compensation for as long as possible. If you share salary information too early in the process, you risk being eliminated before they know your potential to add real and significant value....
