This promotion looks like it is ending on December 30, 2011, so take advantage while you can.
$100 Freeplay if you use lose $100 at Cosmopolitan
Go to the players club booth, make sure you qualify, get your Identity card. Then go to the high limit slots, play 2 spins on a $50 machine, or even 4 on a $25 machine. Hopefully you hit it big, if not, go back to the Identity desk and get $100 free play added to your account.
Then go play through a machine at 1x and keep the remaining for yourself.
