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. * T" H; j5 X+ M) [7 }. h9 e2 D3 p; n% n9 G! ~
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.