Anyway, back to the OP... there's always a chance for a roo, even people who sex them have the potential of sexing them wrong. I wouldn't worry about it though, if you get a roo, you can either sell it or rehome it, and some people do trades too. More than likely though they're sexed right but again there's always that possibility. I've had a few things I've got that was sexed wrong. I guess it depends on how they're sexed. Good luck.