 The sister said, $250. The woman says she handed over the cash and was out the door. The poster says, on top of making the six-hour drive, she had made a grocery run beforehand to stock up on snacks and drinks so she wasn't freeloading. No surprise, Reddit commenters have gone off, with one suggesting the sister pay for the gas. Another said, if you can't afford to have guests, don't invite them over. And one poster simply commented, the audacity.