Originally Posted by JDiver

Anyone can check their credit scores from each of the "big three" credit reporting agency free of any charge annually- the easiest way to do that is to request one every four months, alternating CRAs.

There's one place to do that officially; other offers are generally tied to fees, offers, etc. www.annualcreditreport.com. Avoid all others unless you're willing to sign up for fees, auto renewals, spam e-mail, etc.