because he has so much to DEV. you can not take a 10 speed and do it, he needs many many trucks...
Who will buy frozen pizzas anyways, and no you can not use a cooler you would need a frezzer truck, more money now, Mike sell a little more for the frezzer trucks you will need now also to upgrade from the 10 speed...
P.S do you think there is a bell on the 10 speed :)