For all those dum-dums that stand in the Shake Shack line without making a profit, it's time to learn a thing or two from the editors at The Gloss. These ladies send one person to stand in line and then, once she's at the front, get a partner to head to the back of the line and offer to take orders for a nominal fee. Strangers get their Shack Burgers faster, and the entrepreneurial ladies make some cash. Win, win, winning, win. [The Gloss]
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