Given some experience and study, you could do some of what the Lexington staff does. It is much like your right as a citizen to represent yourself in court.
Most people choose to allow an attorney to represent them because the attorney understands the legal system better. But, should you wish, you could represent yourself.
Another factor to consider is the amount of time and follow-up required to coordinate disputes with all three credit reporting agencies. Lexington Law Firm has systematized the disputation of credit through a trained staff and a custom designed software package.
With that said, Lexington encourages consumers to dispute their own bad credit if they have the time and knowledge to do so.