I pull a van and a flat. Flat will get you better pay per mile but more deadhead.
Also, being a glutton and not having self control is not determined by the trailer you pull but the labor involved in flatbedding may offset some of the gluttony.
Well it kinda does, pulling a flat enables me to earn more money to spend at my favorite local bakery as i possibly have the worlds biggest sweet tooth. But like you said it also enables me to burn it off quicker.