I've had the same experience at times as well, when the store is not as crowded. But when all employees are helping 3 people at once, they don't have the time t

I've had the same experience at times as well, when the store is not as crowded. But when all employees are helping 3 people at once, they don't have the time to stop and checkout your $15 ear buds or whatever and you get sent to the line. That's why every other store in the world has dedicated cashiers who just check people out.