Crimes are classified as misdemeanors or felonies. Misdemeanors are not minor offenses. Misdemeanor DUI's have a maximum penalty of six months to one year in the county jail. Many times felony convictions are served in the state prison system.
If you're placed on probation in exchange for jail time, more constraints will apply.
You can be required to submit to warrantless search and seizure of your home, your person, your auto, and even your body fluids for up to five years in extreme instances.
Other misdemeanors include suspended license violations, driving without a license, possession of small amounls of marijuana, shoplifting, prostitution, simple assault and battery, etc.
Felonies include injury accident DUIs, injury hit and run accidents, domestic violence and drug possession.
Whether the charge is a misdemeanor or felony, the potential liability to your liberty and property is substantial.