<prompt> Human: The other day I was contemplating the idea of getting a credit card. This would be solely for two reasons. The first is buying small items online i.e. a cd, a shirt or two, a replacement cable for my headphones, things of that nature. The second reason is to slowly build a good credit rating so Im not lost when I might need it in the future.I DO NOT plan on making large purchases with this at all. I only have a few grand in savings and I am not looking for an easy way to blow it all. I understand that immature people often wreck their credit when theyre young, and thats the last thing I want to do. My purchases using the credit card would primarily, if not exclusively, be online purchases, maybe between 50-100 a month on average, if that. I would positively have the balance payed off at the end of each month, Im not looking to have huge interest hanging over my head. Im not sure if this is even something that would minutely help establishing a credit score since I would be making low purchases.So, finance people, is this a good idea or not?  <response>: Do it, but if you do PAY IT OFF EVERY MONTH. Dont think of it as a credit card, think of it as a check card that you pay off every month. If youre keeping a balance, youre doing it wrong. 