If you are in the UK, then find your nearest Area Group.
All modelling, but 2FS in particular, is about finding the way that works for you and unfortunately, this only comes with experience. Why do you think there are so many methods for building track? :-)
What I can almost say for certain is that your next turnout will be a huge improvement on your first. As Jim says, don't use the three point gauge - it can give useful widening on very sharp curves but only use it on turnouts if you really understand exactly where you need to use it.
Every failure is a gift in that it gives you a huge opportunity to learn and improve. And I've had more gifts than most in this regard.
Richard