Level 0 Skill?
Well, in game you can actually make rolls for ANY skill. Perform, Use Magic Device, Spellcraft, Appraise, Lore, Hide, Heal, Taunt, Etc. Just by typing in *(skill) check*
Example:
You want to do a hide check to see if your PC can hide in a shadowy alley, *hide check*
You want to test if you can heal a wounded farmer of poison *heal check*
You want to see if you can sing a nice song to your girlfriend/boyfriend *perform check*
Well theres my two jink.