The girl is too money conscious. Every kid needs to

learn basic personal money management skills, but not over focused on money(unless it's a passion).

BTW, recently i am reading this book "Scarcity: Why Having Too Little Means So Much", very interesting, you might like it too.

http://scholar.harvard.edu/sendhil/scarcity

www.washingtonpost.com/blogs/wonkblog/wp/2013/09/13/being-poor-changes-your-thinking-about-everything/