They can use it to place orders for tools or supplies even from a job site, for instance, or attach it to trash cans, so they can trigger automatic alerts when it's time for a pickup. Seniors can also use it to ask for help or order medication. As you might have guessed, AT&T's LTE-enabled button costs a lot more than the Amazon Dash, which goes for just a few bucks. The carrier will sell the first 5,000 pieces for $30, after which the price goes up by $5. Its LTE-M connection is also only free for three years or for 1,500 clicks, whichever comes first. But unless you love to program gadgets and would love to tinker with AT&T's new one-click device, those sound like problems only businesses have to worry about.