Generally, people will get a third or fourth card because it can offer something that can improve their current financial situation. (lendedu.com)
Three cards are turned up in the middle, and after another round of betting, a fourth card is turned up. (si.com)
They've reached the limit on three out of their four credit cards and are using the fourth card to make minimum monthly repayments on the other cards, repayments on their home loan and to pay bills. (moneysmart.gov.au)