Each of the particular issues and sub-topical points can be greatly expanded when you are talking about Final Expense Life Insurance. Perhaps you do not need comprehensive knowledge, but having that will always help and never hurt.
As we always say, it is usually the little things that can turn out to be the most important. But do not feel shy about exploring anything that you feel may shed more light on this. Valuable knowledge is there for you if only you have the motivation to look for it.
You can work with that until you are satisfied and then expand or do the same with another point of view from Full Scale Insurance.