The best advice I can give to you is, it isn’t a race to get it built and painted. Take your time.
Listen to your gut, and know when it’s time to put it away for awhile and think about it some more.
It’s supposed to be a relaxing, fun hobby. Don’t get anxious about it.
And for goodness sakes, you have the tools to help you through it....this forum. Ask questions....we are all here to help!