my trailer just returned from heartland. they had to fix the frame flex problem.it was under warranty. i went to pick it up and no one can tell me what was done to it . to fix the problem.factory says i wouldnt understand what was done and dealer doesnt know. no one has even tried to explain anything what are they trying to hide i dont know of any company that performs warranty work but cant tell you what they have done.or some kind of invoice would be nice..are we suposed to take there word for it. i dont think so.they didnt take my word that those were hundred dollor bills i paid for it with they counted it. not once did anyone say its ok we trust you......