You could approach it that you'll assist this time, in exchange for assistance when you might need their help another time.


You could approach it that you'll assist for a mild fee, cash on the barrel etc.


I think percentage of profit gets tricky. I could see it if you were being asked to contribute your creative talents, but I'd think as an assistant you're more "doing what you're told".


Yours, not knowing if I've helped much.


Pete