Hang in there , we all have been there...Are you drinking enough water ?
To answer you question, the way I got things figured out at the beginning...I would go to some of the members who post their answers all the time , most experienced and knowledgeable ( ChrisB1,Chiron, Mighty ,,,done it with so many more ) I am sure there would be many more , I havent been following latelly .
Just pick some of their posts and click on the name .WIll give you an option to go over their posts. Just start reading , reading , reading