Alright. so last year I opened a credit card to give me a credit score because I had no score since I was just 18. I went to the credit union to get a loan and they told be I had an A credit score. What that means, I do not know but I do not want the credit card I opened since I have a good credit score now. I have school loans and a car loan under my name and another rewards card. The first card (capital one) has no rewards so I do not want it. SHould I cancel it or just not charge anything and keep it open. WHAT WILL HURT MY SCORE THE LEAST!