How much money do you want to make?

This question occurs right at the start (for example, in the non-technical phone screen) or at the end, when the company is ready to prepare an offer for you. When it occurs at the start, it means that whether the interview will continue will be based on your answer. If your expectations are beyond the potential offer, then most probably the interview will stop here. It is wise to postpone a clear answer as much as possible by saying something like, I don't have a clear number in my head. Of course, money is important, but there are other important things as well. Let's see first if my value meets your expectations, and we can negotiate after that. Or, if you must give an answer, then it's better to give a range of salaries. You should know the common salary range for this position (because you've done your homework and you've researched on the internet before the interview), therefore, provide a range that fits your expectations...