AITA for not teaching a skill to my oldest son that I taught his siblings because of the custody arrangement?
Edit/Update: The moderators have been kind enough to let me update my post. I know many, many people have asked about the skillset I mentioned. I just can't be specific because it'll make my younger kids' enterprise identifiable with a quick search. I will say it's nothing mysterious and is a combination of woodworking, metalworking … Read more