You should volunteer at your first EAG! (Especially if you are a student or early career)
If you don’t have a network in EA, EAG’s can be overwhelming. Volunteering gives you a ready-made, organic network.
Volunteering is pretty chill - a lot of the shifts aren’t that hard.
At your first EAG, it’s unlikely that you are using your time so efficiently that a few hours of volunteering would cut into the value of your conference.
You should volunteer at your first EAG! (Especially if you are a student or early career)