I don't even know what is the rate on my credit card. I use it all the time. I just pay back the full amount every month. I think that's the best way to use it.

I don't even know what is the rate on my credit card. I use it all the time. I just pay back the full amount every month. I think that's the best way to use it. You don't need to carry cash. You don't need to pay interest.