Right up my alley.
Read these pages.
https://bubbahead.com/dui-in-georgia-how-much-does-a-lawyer-cost/
https://www.georgiacriminaldefense.com/georgia-dui-lawyer/first-offense/
http://www.drunkdrivingdefense.com/dui-penalties/97-consequences-of-a-dui-conviction/
For a guilty plea, this should be inexpensive, like getting a flu shot. In many jurisdictions, you MAY be able to do it yourself.
Fighting a drunk driving case is like SURGERY --- complex, time-consuming, and requiring FAR greater skills and expertise.