I see these all the time in my neck of the woods as well.<p>This sounds like a sweeter deal though, 20% of billions of dollars is better than the $500 offers I've come across.
Can't tell if serious or trolling. Great example of <a href="http://en.wikipedia.org/wiki/Poes_law" rel="nofollow">http://en.wikipedia.org/wiki/Poes_law</a>