Quote Originally Posted by Blueberry View Post
ETA: On further reflection, maybe separate the bike from the decision to go. Would you not want to go anyway? Then don't go. What you do with the extra money is up to you. I wouldn't look at it as an if, then proposition (nor would I share that with your family).
Yeah, there are two issues here. The bigger one is that your sister is not a raving lunatic, she's a manipulator. If she didn't have kids I'd say you'd probably be better off keeping your distance from her.