How much you spend on credit repair depends on how involved you want to be in the process. If you hire a credit repair company, expect to pay a setup fee of up to $100 and monthly service fees of up to $150 for as long as six months. If you invest the time to repair your credit on your own, the credit repair process is free. Credit repair software that costs between $30 and $400 can help you draft letters to creditors and credit bureaus.
If you find information that is incorrect, you can file a dispute. Remember too, that items on your credit report that you don't recognize could also be potential signs of fraudulent activity — someone working to secure credit in your name for their own use. Make sure you're clear on items that could potentially be fraudulent, versus those that may simply be inaccurate.