Yes, this is quite helpful. But I still have one question. As you said 'instead of' refers to an exchange of one item for another and in my sentence I had to convey exactly this idea, but they way I used 'insted of" didn't make sense in that sentence. Could you tell me please why?
"If you give the correct answers you will get everything instead of your lives."
No, you were not talking about a one-for-one exchange. ("Everything" is not one thing, it is all things.) Also, from the wording, it is not clear that the choice is between everything else or your life. It sounds like the life is lost regardless. Here is an example of "instead of" being used t