Better yet, stop at a Golden Corral or other smorgasbroad, and then put on your boogie shoes.
Depending on where you start out from, you could be entire states away before they even realize they're instant orphans!
And this can be done in good conscience, knowing they are well fed.
However, deduct several bonus points if you stuck them with the bill...
(Thankfully, my Dad, A: Never thought of this gambit, or, more likely, B: Didn't act on it...)
Those who say that it cannot be done should not interrupt the people doing it.