Dummy?<p>You can&#x27;t enter your card until about 10 seconds have passed after all your items have been scanned, or it blows up.<p>You must leave your card in for ~20sec, or it blows up, while the machine does seemingly nothing.<p>The quickest you can complete a transaction is ~30+ seconds; <i>after all the items have been scanned.</i><p>Compare this to ~5 seconds with the swipe method.<p>Now, take 25 seconds &#x2F; registers * people. That is the lower bound on how much additional time we must wait in line because of these BS machines.<p>Trader Joe&#x27;s is now a wasteland of wasted time standing in line.