So if they were to get fired outright, can they point to the practices just mentioned and claim unfair treatment and sue?

Do they have a union? Contract? Are they at will employees? More details are needed.

What can we do can we file a lawsuit

Feeling uncomfortable and intimidated is not grounds for a Civil Rights lawsuit.

Do I have a chance of getting my money back?

Meet her for the exchange. If she refuses, report the matter to the police because fraud, even via Craigslist, is illegal.

What are my rights can I sue ... and who can I sue

Did your son give permission? What connection do you have with the company? More details.

Can I increase punitive damages in small claims court to have my case heard in a higher court that being city court?

If this is such a complex and high dollar case, your first mistake was filing in small claims court. Many such courts do not allow punitive...

Do I have any liability if my Dad passed had my IL registered handgun in FL and now step mom will not give back? Don't want gun.

Did you alert the Illinois government about the change? Start there.

Can I sue notary for notarizing my signature without witnessing it and not even meeting me.

Did you actually sign? The notary might be in trouble, but you still may be held to the agreement.

Do you think she has grounds to file contempt?

The effort to hold you in contempt, on these facts, is thin in my opinion.

Am I going to go to jail for not being able to pay my fines and classes for probation(dui.)

You are to comply with the probation terms you agreed to do. If you need more time, have your lawyer present a written motion with your request...

This will be governed by the state law where it happened. Consider hiring an attorney in that state for Legal Advice.