Your question isn't very clear, but if you are asking how much an attorney would charge to represent someone on a hit and run, that will vary enormously from one attorney to the next and quality of representation does not necessarily correlate with how much an attorney charges. You can contact numerous attorneys and set up consultations with them, compare their prices and your feeling of confidence in them and go from there.
The fee DUI and Criminal Defense attorneys charge can vary greatly. Additionally, what an attorney charges depends on the factors behind the arrest. Were both your hit and run and the DUI 5 years ago? or are you still on probation for the DUI? You should speak to a couple DUI attorneys in your area. Feel free to contact me if you would like to discuss further.
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There is no set fee--the best thing for you to do, if you haven't already is to call some attorneys specialized in this area. The attorney will usually provide a free consultation and inform you what the legal fees would be for your matter.
It is advisable to consult as soon as possible and certainly before your first court date.