Before we start, what is Cardup? CardUp is a payments platform that lets individuals and businesses pay expenses like rent, taxes, invoices, and insurance with a credit card, even when the recipient doesn’t normally accept cards. It helps users earn rewards, such as miles or cash back, while CardUp handles the transfer to the recipient via bank transfer or other supported methods. Of course - all at a small administrative fee. What have I been using Cardup for? My car loan, m