Groupon offers a $10 Starbucks eGift Card for $5. That's tied with our expired mention from four days ago as one of the best deals we've seen for a Starbucks gift card. (It's a current price low by $5.) The gift card's promotional value expires September 30.

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Note: It's limited to one per account, so if you purchased it on Monday you're ineligible to purchase a second today.