What my $30 hamburger reveals about fees and how companies use them to jack up prices

It started out innocently enough: Working late, nothing in the fridge. I decided to splurge and order a burger and fries for delivery.  Subtotal for my meal? $14.07. A little pricey, but it's a good burger and $14 seemed like a totally acceptable price for dinner, especially when it's delivered. Then came the fees...