Nobody likes to wait in line. Whether it’s standing in line for an amusement park ride, queuing up at the doctor’s office or stuck in traffic -- nobody wants to wait for something that they want right now. Waiting in line at the grocery store is an unpleasant reality for most people. After pushing a heavy metal cart around the store while being serenaded by sleep-inducing 70’s music, too often you are left to play checkout line

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