Alexa offers that allow multiple receipts per household per day

I'm a beginner, having trouble with the Alexa offer here: https://imgur.com/gallery/2FG2qaR

The fine print said this:

CONSUMER: LIMIT ONE COUPON PER PURCHASE of product and quantity specified. LIMIT TWO IDENTICAL COUPONS PER HOUSEHOLD PER DAY.

• I redeemed it one a receipt with 1 matching item, that worked. Receipt is in "submitted" status.
• Then I tried with a 2nd receipt with 1 identical item, that failed.
• I thought they would both work, did I do something wrong?

submitted by /u/TyrannicalDuncery
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source https://www.reddit.com/r/beermoney/comments/1627sd1/alexa_offers_that_allow_multiple_receipts_per/