It was weight. Pure and simple, you'd be surprised how heavy an apartment is on the back of a truck. While it's only 160lbs we also save the weight of the tank, hoses and brackets for about a 200lbs net savings (so another person or more cargo). The chassis actually costs us more because we added power driver seat at the same time.
As for induction. Those are pretty inexpensive. We don't use them because they are not widely adopted and require specific pans. I actually prefer cooking with gas myself.
Seats are stock Dodge seats. We can't get anything better from them.
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