Have you been using your credit cards to get in on the black Friday deals, or perhaps some Christmas shopping? Credit cards can be extremely useful against fraud but can be a big problem if you aren't able to pay them off quickly. So should you bother, or are you better off without? To discuss this with Sarah she is joined by Young Money champion, James Connington, Andy Webb of becleverwithyourcash.com, Andrew Haggar of Moneycomms and Hannah Maundrell of Money.co.uk.