Not Going Hungry
As you can see below, the kitchenette in Bruce Campbell’s house is stocked with just about everything a person would need. There is produce, there are condiments, and he ha supplies. Sure, it would be difficult to make something gourmet. However, he cares less about feeding his stomach than he does about feeding the tech soul. Basic meals are all he needs to survive, and those are easy enough to make in the airplane home. At the very least, it is better than what most airlines offer during flights.
Authentic Feel
It would be impossible for him to take out the Boeing 727 anywhere, but you will feel like you are about to go to a faraway destination when you rest on the seats he kept. He did not alter the original form as he wanted to preserve that feeling of excitement that comes with flying.