Many genealogists are self-trained and learn about sources and methods as their research progresses. Hands-on learning, directed towards your research goals is fine, but there can easily be gaps in knowledge when one learns this way. Have you read a general research how-to book or a guide to research in the areas where your families lived?
It’s still helpful to read how-to books and guides after you’ve researched for some time.
We all have something to learn? What have you learned recently?