2004 Safest Trucks

i need some reasons to convince my dad i show buy this truck?
i am looking at a 2004 ford f350 dually 6.0L and i really like it and its the type of truck i want. my dad says i dont need it and he is right i dont really need it. He says that i would have to pay more for diesel compared to a f-150 and its MPG. I have 2 more tires to replace and its true but im thinking of getting a job with my friends dad who does small cattle hauling (he uses a big stock trailer) and i tell him that its not like im driving it all the time so i wont use as much diesel or wear out tires faster. Also a f-150 is safer than a car and a f-350 is safer than an f-150. So i need some reasons on why i should have this truck. PLEASE HELP!!!!!
Reason why you need to have this trunk?? Uh no clue.
Are you asking your dad for permission to buy this truck or asking your dad to BUY you this trunk? Either way if he said no. Than it’s no.
We don’t know why you need something because we don’t know you. And lying to get this car is a bad way of getting it especially if you’re not paying for it.
2004 Safest Trucks

DIY – ReadyLift suspension Dodge Ram 1500