How to start expungement for the DV

You've got two issues here. First, you may not be an "eligible offender." By law only people with a very limited record are eligible, and it sounds...

Will I be charged with something?

It really matters exactly what you said. If you are actually contacted by the police, talk with an attorney before talking to them.

Ohio has a statute that allows for restoration of your firearms rights, but it matters what all you have been convicted of, when and where.

What will happen to my license if I'm 16 and get a speeding ticket

Suspensions are becoming more and more common for teen driver's who mess up. Consider hiring a local attorney to help you deal with it.

I was put on probation for 2 years and my time is almost up can the judge and more time even after I've already been sentenced

A judge can extend your probation, if you have failed to meet the terms of your probation, which often includes paying all fines/restitution/costs.

What's the difference between this really conduct in a minor misdemeanor

Disorderly conduct is either a fourth degree misdemeanor, or a minor misdemeanor. Report everything when trying to purchase a firearm. A DC...

A single DC conviction should not stop you from purchasing a firearm. Be honest about it.

Can a company fire you, after employing you for 9 months because of your criminal record??

What they did wasn't nice, but it also isn't unlawful to fire someone when a criminal records check reveals an offense.

The judge is probably not going to rule on the motion before his 30 days are up.

What can you do about withdrawing a guilty plea, after already being re-arraigned for sentencing?

If he wants to move withdraw his plea, he needs to do now. After sentencing it is nearly impossible to withdraw a guilty plea.