All sales are final – due to the digital nature of the services purchased downloaded or otherwise purchased digital media cannot be returned. The Grammarheads, LLC does offer a warranty on the services purchased and in the event a downloaded or otherwise purchased piece of digital media does not operate in accordance within Grammarheads, LLC parameters or specifications, The Grammarheads, LLC will make available a secondary download available at no additional cost. Please contact the Grammarheads, LLC should you seek to enforce this warranty.