Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

John Ulzheimer is an expert on credit reporting, credit scoring, and identity theft. The author of four books on the subject, Ulzheimer has been featured thousands of times in media outlets including ...