metalman wrote:
@Karlos
rare as hens teeth...
Hens' Teeth Not So Rare After All
Hens Teeth

I was going to say "rocking horse sh*t", but I already have a link for that one :lol:
Helium 3 is pretty damn rare. Short of "gas mining" Jupiter, Saturn, Uranus or Neptune, you aren't going to get serious commercial quantities of the stuff.
That said, some people think the moon might be a source having been blasted with the solar wind for several billion years...