If Crack Dealers Took Lessons From Walgreens, They Really Would Be Rich

[aphar]

http://www.freakonomics.com/blog/2007/03/15/if-crack-dealers-took-lessons-from-walgreens-they-really-would-be-rich/
for 90 tablets of generic Prozac:
Walgreens: $117
Eckerd: $115
CVS: $115
Sam’s Club: $15
Costco: $12