I do not understand this post. You say that you have been told that your son needs to retake his written exam and road test. But then you say...

Can this agreement be declared, therefore, null and void, with a new one being entered into, giving me everything I want?

Nope. It doesn't work that way. You need to file a motion to enforce the court order and possibly a motion for contempt. You might also...

What, legally, can I do to get a detailed, separate invoice from the contractor so I can ascertain what is owed/not owed?

Send a letter CERTIFIED, return receipt requested, requesting a detailed accounting of all work done and all charges applied to the account. Make...

What can I do ?

They are not required to put up a fence. First, make sure that YOUR fence is on YOUR property. Then, kindly inform your neighbors that their...

Am I liable for this $200 termination fee?

If you terminated for a reason other than their not providing the service you signed up for, then you might very well be liable for the...

Can they walk nude in neighborhood and stalk us?

You make allusions without coming out and stating specific facts. For example, you say that your kid saw them nude. But WHERE were they nude? ...

How do I stop this child support order.

You meed to file a motion to modify the order in the jurisdiction where the order was issued. As long as you get an attorney, I do not see this...

Something tells me that your neighbor did not just wake up and decide to fence off your driveway. I find it hard to believe that there is not...

What will most likely happen court day.

Put you 'back' in jail? Back? I hope your previous stint was not family-related. And there is a difference between 'slack' and...

Is it time to file a contempt of court or change in custody request?

Do both. You file a motion for contempt and a petition to change custody. I strongly suggest that you enlist the assistance of local counsel.