Pretty simple question. Is there any skill, besides woodcutting Ivys (where I got the idea from) that I can semi afk and also doesnt put too much material in my inventory? Im wanting to be able to skill while keeping my farming supplies on my person, so I dont have to take bif breaks to do a run. All I can think of is like i said, the ivy, but maybe ya'll have some more answers.

Mining in the Lava Flow Mine in TzHaar City. You need to complete King of the Dwarves though.

Shooting stars. Fletching arrows. Runespan. Alching I guess.

Fishing requires you to pay very little attention. Try Monkfish at the Piscatoris Fishing Colony (requires completion of Swan Song).

Firemaking with the new bonfires is kind of afk.

If you are really concerned with keeping your farming supplies on your person, livid farm is a good idea. Don't need terribly many inventory spots. You can also fletch during your downtime.

Log out between runs. Doesn't get any more AFK than that.