Hey Joey,
I relate with the fear aspect. I once allowed fear get the best of me and prevent myself from transitioning a few years back. All I can say was that was not the right move for me. I allowed time to pass without living as myself. While the time pass allowed me to gain courage and strength, I can't help but feel I denied myself some important moments. Sure, I am still young, but I get sad about thinking about the missed time. Now, I am here again planning on doing everything successfully this time. The thing is, it doesn't go away. So, while we have fears and get scared about doing this, it is something some of us need to do. If you feel that this is important for your happiness and that you need to transition, than you need to let your happiness beat your fear. It is a tough thing and I'm not fully there myself. But, if this is what you need, than you can't let fear overcome and defeat you.
Having said that, there is no shame with transitioning at a slower pace. If you feel the need to slow down, than do just that. But, make sure you are doing it for the right reasons and not just fear.