How would you feel if after the trip the offer was withdrawn? What are you going to learn that you didn't learn during the interview process that is so bad as

How would you feel if after the trip the offer was withdrawn? What are you going to learn that you didn't learn during the interview process that is so bad as to not take the offer? Startups don't have money to waste on $1.2K plane tickets, especially if that plane ticket does not result in a new business opportunity. It sounds like you shouldn't take the offer, if you can't commit.