theoretically it may affect your credit scores; however, in my experience, it does not make a big difference. I've canceled a couple of credit cards, when I apply a mortgage, I still got a good rate.
not bad. % C: j% i1 a( x3 r3 k9 u% R% p 4 |2 a9 v2 {4 G( hbut compared with other rewards cards, the rate of getting points is not good enough. But if you buy things a lot at their stores, it is very good.