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A comment on The Rule of 72 (2007). Parent comment

Re:The Rule of 72 (2007) by ikeboy on Thursday June 23, 2016 @01:10PM (#11962633)
Merchants pay a bit more in fees than banks give in rewards, but definitely not 2% more.
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Re:The Rule of 72 (2007) by ececconi on Thursday June 23, 2016 @02:00PM (#11963090)
I think AMEX makes about 65% of its revenue on interchange fees?
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Re:The Rule of 72 (2007) by ikeboy on Thursday June 23, 2016 @03:04PM (#11963582)
Amex charges higher fees (many of their cards charge the consumer directly, and their merchant fees are higher) and don't charge interest on many cards (charge cards). Their business model is different.
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