Here's Why Some Subway Locations Won't Accept Coupons

You might be surprised to learn that some Subway restaurants are not willing to accept corporate coupons for one very specific and understandable reason.

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YOU DON'T ACCEPT COUPONS???” : r/subway

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Subways not accepting coupons received in mail : r/subway

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Why won't it accept the Coupon? : r/subway

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At my local subway. Is this weird? : r/subway