Retailers are shopping for ways to get rid of checkout lines

Cashier-less stores will not only save time but maybe money too, for both cost-cutting merchants and customers whose shopping habits are dissected.

Get ready to say good riddance to the checkout line.

A year after Amazon opened its first cashier-less store, startups and retailers are racing to get similar technology in stores throughout the world, letting shoppers buy groceries without waiting in line. If they work, cashier-less stores will not only save time but maybe money too, for both cost-cutting merchants and customers whose shopping habits are dissected.