Your credit card spending limit is the maximum amount you can spend on the card, and is determined by your credit card company. A credit limit has a bigger impact on how you use your card than you might expect. It affects everything from the purchases you make to balance transfers and even your credit score. Here’s what you need to know to make the most of your credit card spending limit: What is a credit card spending limit? A credit card spending limit is the total amount of money you can charge to yo ...