Michael can make around $1,000 a week trawling through used book and thrift stores and library sales with his trusty Dell PDA. He scans the barcode, looks up the price on Amazon, and if he sees that he can sell it online for more than he can buy it in the store, he purchases it. It’s an intense, lonely grind, and it makes him feel a little bit sleazy.

Confessions of a Used-Book Salesman [Slate]

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