When it comes to improving your score you have a lot of options. The more lines of credit you have the better. However, if your score is already low, it can be difficult to get new lines of credit. Fortunately there are some great credit cards and techniques you can use to boost your score even if you have sub-par credit. How to use credit cards to raise your score The first type of card mentioned in the blog post is an amazing way to get a credit line without risking any money. It's the safest way to improve your score and just about anyone can get one no matter what their current score is.