Genealogy Standards, a book by the Board for Certification of Genealogists, identifies dozens of standards, i.e. best practices, for anyone serious about genealogy. The last standard is “Regular Engagement” described thus: “Formal development activities include attending conference, seminar, and workshop presentations in person or via electronic media….” [etc.]
Here in the U.S. Midwest, we have some terrific options for in-person DNA classes. Of course, not everyone can take advantage of them: health issues, budgets, scheduling conflicts, or travel limitations may rule them out for now. But if you can attend one of these opportunities, you’ll find it an enriching experience.