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. # o6 p' U5 C5 ^7 C" _: |8 | " I. V n& W) T, j+ D* a+ o0 i' Nbut 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.