In order to get a monetary system working, you're going to have to care about how variables work. It seems to me like you're not interested in putting the requisite work into making an advanced storygame.
Feel free to ask a specific question and I, or anyone else will help you, but I don't think that you're approaching this in the right way. I'll start you off with a general plan of action:
You'll need the following skills:
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Know how to create a variable
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Know how to manipulate a variable
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Know how to display a variable
To learn skills #1 & 2: http://chooseyourstory.com/help/articles/article.aspx?ArticleId=1
To learn skill #3: http://chooseyourstory.com/forums/advanced-editor-forum/message/6042
You'll also need to set your game to advanced. This can be done through the new story wizard or from the game properties page of an existing story.
Good luck.