First you need to be able to fully understand the instructions for the form and be able to actually do the form on a hunk of paper like we did before tax software existed.

Here is one source of understanding the form and the site is a good source for free or reasonably priced CPE. https://www.cpaacademy.org/search_webinar?search_box=3115&field_of_study=&professional_designation=&...