After 2,000 Years...

Vehicles still run, and there is gas to go in those vehicles.
The furniture in the houses look like they were just bought from Ashley furniture.
They have clothes on their backs, and plenty of it.
Books survived quite nicely.
They have computers, monitors, and other technological and electronic devices that were just bought from Best Buy, Circuit City or Tiger Direct.
And what about all those medical supplies and equipment?

I assume Pilcher stockpiled gas, but eventually that'll run out unless they have some way of drilling and refining. Am I right?

And what about the vehicles, clothes, furniture, computers, and the like? Once those things are gone, they're gone. I can't imagine an infinite stockpile of that kind of stuff.

Thoughts anyone?