The truck is going to be $40 to $60k but if someone is going to buy a new vehicle or a truck anyway, it is the price of the option that matters and it is something to consider.
“But, you ask, why wouldn’t you just buy a 7200-watt generator? Because if you’re buying an F-150 Hybrid, the 7200-watt Pro Power Onboard is a $750 option. (The 2400 watt output, with two outlets, is standard.) You will not get a sophisticated 7000-watt generator for $750. You might find one that sounds like Randy Quaid’s lawnmower from the underrated Richard Pryor film Moving, but a modern, quiet inverter generator is going to cost probably twice that. And a 7000-watt Honda—the aspirational luxury brand of generator—goes for about $4500. The F-150 generator is a deal, and you don’t have to lug it around, find a place for it in your garage, or worry about the fuel going stale. It’s just there, in the truck, whenever you need it.”
https://www.caranddriver.com/features/a35152752/powered-house-ford-f-150-hybrid/
You are a funny guy, but some people might not realize that you are blowing smoke up their butts. We have been using the same 5KW Briggs IC powered generator for over 30 years. Our power has been out for weeks at a time and the generator has been run 24/7. No major work has had to be done on the engine. The pull starter has been repaired a couple times, the oil has been changed many times along with the air filter. We have a honda clone powered generator as a backup that gets lent out. Neither of them is an inverter style. Both of them cost less than $500, neither of them sound like “Randy Quaid’s lawnmower”. The Honda Clone is very quiet and we put the Briggs powered generator under an insulated shed that deflects the noise away from the house.
You don't have a lot of experience using a generator.
I just drag out the Lincoln Ranger 250. 10 gal. tank, 100% duty cycle. Best of all, I can weld with it when I break something.