[RightWhale]

Earth is estimated to last another 5 billion years.

If the kids can be enticed away from their X-Boxes and Playstation 2 for long enough to do some actual work, earth can be converted to a sun-independent interstellar Winnebago.

[Zon]

Nicolaus Copernicus' original manuscript On The Celestial Spheres, one-million dollars. Hubble telescope, two-hundred-million dollars. Challenger 3 space shuttle, one-billion dollars. 

sun-independent interstellar Winnebago.

Priceless! :)

[Harmless Teddy Bear]

If the kids can be enticed away from their X-Boxes and Playstation 2 for long enough to do some actual work, earth can be converted to a sun-independent interstellar Winnebago.

Do you read Alan Dean Foster?

[Constantine XIII]

Except it will have real pine trees instead of that thingy hanging on the mirror. :P