Hands down, I'd take the inexperienced person over the bad attitude all day, any day. The maintenance guy I have now didn't know much when he started, but had a great attitude and a thirst for learning. He researches, asks good questions, seeks guidance, and gets along great with everybody. He takes it personally when he can't do perfect work. It seems like every day he's telling me about something he learned from a YouTube video the night before. My biggest challenge is to limit his workload for his own good. I already know it's going to become a "when the student becomes the master" deal. my background: military, then 30 years construction and management.