The issue you’re having is attempting to sort out a beginning and a start, which are two different things.
Right now, you should be focusing on tutorials that just stick to one aspect, especially since you’re new. Then you can go to tying everything together and creating more advanced custom characters later on.
World of Level design is a great place to start (http://www.worldofleveldesign.com/categories/cat_ue4.php)
Some Books to Look Into: