5 Extreme Ways To Raise Your Credit Score: Rapid rescoring is a little-known strategy explained by credit guru Liz Pulliam Weston in her book, "Your Credit Score: Your Money and What's at Stake". Unlike credit repair services, which are almost always a scam, rapid rescoring is a legitimate way to improve your credit score in as little as a few hours – if there are verifiable inaccuracies on your credit report… Source by luckyolgie