Buy bitcoin at this Dallas Bitcoin ATM inside: Valero Gas Station. All you need is cash and a bitcoin wallet. The bitcoin is sent as soon as your transaction is completed. Purchase up to $25,000 daily at any of our coinhub bitcoin atm locations. Live customer support available over the phone or text! Have any questions, reach us at 702-900-2037. The Bitcoin ATM is very easy to use and walks you through the steps right on the screen.