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Costco was giving away 0.6% swipe fees to AMEX. If they accepted AMEX as "just another payment method" without the partnership, that rate would quadruple.
by vox_mollis 11y ago
Costco was giving away 0.6% swipe fees to AMEX. If they accepted AMEX as "just another payment method" without the partnership, that rate would quadruple.