That number for me remains pretty low. So far in the US Airways Grand Slam promo, I’ve earned 10 hits, but I have several lined up to earn in the next couple of weeks, ranging from hotel stays to rental cars. If you haven’t signed up yet, it’s still not too late to join in the great fun of Grand Slam 2o11 and earn bonus US Airways Dividend Miles for mileage earning transactions with US Airways’ partners. Check out the details here and follow the link to register and review the terms and conditions.