You absolutely can do this (I just signed up for an account). That said, it isn't 0 risk (nothing is) - they could technically fail to redeem, and then you'd lo

You absolutely can do this (I just signed up for an account). That said, it isn't 0 risk (nothing is) - they could technically fail to redeem, and then you'd lose your money. If you think they will redeem, this is indeed a good trade.