Ehrenreich investigates many of the difficulties low wage workers face, including the hidden costs involved in such necessities as shelter (the poor often have to spend much more on daily hotel costs than they would pay to rent an apartment if they could afford the security deposit and first-and-last month fees) and food (e.g., the poor have to buy food that is both more expensive and less healthy than they would if they had access to refrigeration and appliances needed to cook).