Keeping a good credit score is important. A high credit score can do everything for you from being approved for a lower loan rate, earning a huge credit card bonus, lowering your insurance premiums, and getting hired for your dream job. One of the ways to keep your credit score high is to limit your inquiries. When you only apply for pre-qualified credit cards and pre-approved credit cards, you are protecting your good credit score by focusing on credit cards that you have the best chance of getting approved for.
American Express Pre-Approval: Your Guide to Pre-Qualify for the Best Cards
I remember the days when qualifying for an American Express card was a sign of privilege. If you could throw down an Amex card, you probably had more money than most.