Expunge Six Misdemeanor Records

I have six misdemeanor convictions on my record that I need removed so I can pass employment background checks. They include two separate DUIs, a charge for possession of a concealed weapon, and several counts involving ammunition by a felon... (Budget: $30 - $250 USD, Jobs: Criminal Law, Legal, Legal Analysis, Legal Assistance, Legal Consultation, Legal Research, Legal Review, Legal Writing)