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A comment on Ask HN: What are the good old ideas that still make money on the web?. Parent comment

Re:Ask HN: What are the good old ideas that still make money... by cperciva on Sunday February 12, 2012 @03:26PM (#3582883)
You forgot one of the most important details: Books have a high cost:weight ratio -- between $10 and $200 per lbs -- which ensures that shipping costs stay reasonable. Pet food tends to be around $3/lbs.
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Re:Ask HN: What are the good old ideas that still make money... by ja27 on Sunday February 12, 2012 @07:35PM (#3583610)
Even better, books can be sent "media mail" for even cheaper rates.

http://www.usps.com/send/media-mail.htm

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