How many Credit Cards can you have? This question is answered by financial writer Emily Morgan on the website page Fit My Money. There are advantages and drawbacks to having a lot of cards. One thing is true – it can either boost or lower your credit rating depending on how you manage the debt. Speaking of high score holders, people with a credit rating of over 780 own approximately six or seven cards. This includes both closed and open accounts. Can you have too many cards? In case you keep your balances low and always repay the bills on time and in full, you won't have any problems with having several cards at once. And such activities are more essential when defining your FICO score and ability to qualify for better lending solutions.