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. 2 s% r6 D N& o: n5 f8 V' K' t( C7 [2 O: ?# a- M
but 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.