I don't think they will have a problem with my irrelevant side project either, but I like to cover all of my bases like you said. I am a full-time salaried emp

I don't think they will have a problem with my irrelevant side project either, but I like to cover all of my bases like you said. I am a full-time salaried employee (not contract-based) and I am free to quit at any time/they can fire me at any time. So I guess that is at-will, right?