My contractors always provide light fixtures and fans. Sometimes we provide exhaust fans, but generally the HVAC guys do. We provide smokes, Undercabinet lights, keylesses/pullchains, closet lights(generally an undercabinet light over the door) and recessed cans with trim and bulb.

You mentioned this guy isn't trustworthy? Don't let him get too far ahead of you. How much are you collecting after the rough? We get 60% and sometimes more if I don't feel really comfortable with them. Make sure that if they never call you back, you still made money. Most of your time and expenses are on the rough.