Actually there are 3 Chess Mentor courses that address this that were originally written by GM Sam Shankland. Of course they are now called Lessons and were written by the chess.com team. Logically, they are in increasing order of difficulty. Here's the first one; enjoy...
https://www.chess.com/lessons/exploiting-typical-opening-errors
Hello everyone, I've been playing chess for almost 2 years now, I play a lot, I study a bit, and I've never been able to find an article where rather than explaining the theory of openings we focused on the fact that certain moves of the opponent are not considered theory. At my level we know the basic theory, but we are not able to properly punish certain inaccuracies made in the first moves of the games and we continue with our normal development until we get an equal position. With this topic I would like to recommend a new topic for a future article written by an experienced player.