Being poor is very expensive, and I think a lot of people have no idea just how crazy and awful finance in small numbers is and what that does to people's lives.

_Nickel and Dimed_[1] is oldish, but still highly relevant, if you want to read a depressing book.

[1] http://barbaraehrenreich.com/nickel-and-dimed-by-barbara-ehr... https://www.amazon.com/Nickel-Dimed-Not-Getting-America/dp/0...