I would be hopeful that your attorney would be able to get the charges reduced to something less then a DUI and avoid some of the mandatory...

How much time will she do on 730 county jail time?

This is something that should have been addressed with her attorney. You are asking a question in a vacuum without sufficient information. ...

If you get a DUI or DUI less safe in Atlanta, how does that affect your license in a state like California?

Could trigger a license suspension in California and class requirements.

You should be talking to your lawyer about these questions. You should plan on doing 48 hours. Depending on how busy the jail is you could do...

Why has my license been returned to me in the post 2 weeks after DUI arrest. What does this mean?

Talk to your attorney. The low alcohol level is why it got returned.

You can ask but the short answer is no. Maybe if the California Supreme Court allows military diversion and you qualify.

How many days out of a 36 day sentence would I most likely do?

Rule of thumb on a case like this would be 10%. However it could be up to half the sentence.

Do I have to put an interlock device on my vehicle, if a serve the full dmv suspension period?

You can't drive a regular car without an IID.

The dmv is likely in the right. Your IID company should have informed you that there was a hold. Likely you have to suffer the rest of theIID term.

Completing dui terms and conditions on time?

Sounds like a trip to court is in order. Either you or your lawyer will need to go. Better your lawyer.