It doesn't work as you planned. It's just like life. I mean, as much planning as you want to do, you start, and it's totally different than what you expected.
So you have to adjust. You have to be very flexible. You need to be ready to burn money. You need to realize that it takes a long time, and it costs a lot of money, and you're going to have to navigate through that in order to get to the other side.