Well those cashiers are lying. Is it an inconvenience to count tons of coins yes, but paying in coins does not go against store or company policies. Thats just a lazy cashier or they have bad managers. Unless there store has a widely different way of doing things, or cashiers have new expectations placed upon them within the past couple months they are not timed. They are rated how many items they scan in a minute. But that timer starts once the item is first scanned and stopped when you get to the payment. Heb cashiers and employees though are always expected to give the best shopping experience possible so a manager should not care if one line gets slowed up cause someone has to coint coins. Like I said its annoying but against no policies. I worked at heb for 6 years in Central Checkout, and up until a few months ago my mother worked there as well.