If that was the salary range that the position needed to pay, I'd rather see the difference split somewhat - with a higher base pay, ie. 55k + $100/day (76k average). I personally like to feel like I'm making money when I go to work - I prefer for "going flying" to pay more than sitting at home. Takes the sting out of being gone from home. But that 30k base salary would scare me - too many thoughts of "what if the flying dropped off substantially?". I'd need a much higher min guarantee.