What legal recourse do I have if my company has retaliated against me for filling a formal grievance?

Quite likely. Those are normally under the whistle-blower variety statutes. Find an attorney if you are serious about protecting your rights.

Would this be grounds for a law suit I have video and text of correspondence with new manager.

if you are pondering an age related case, you should consult with an attorney familiar with the statutes, assuming your serious about moving forward.

How to properly resolve an eviction that I wasnt aware I had?

First thing you might want to look at is whether you received a "1692g" letter. They are not supposed to simply "plop" stuff on your credit report...

Can a lawyer take your lost wages check

In many states, the attorney fees are set by statute.

I am having a problem with my retirement calculation and payment.

Just to confirm, your talking only about SSI and not a private pension plan?

What do I do when my former employer and I signed a severance agreement and They did not follow through

ERISA. FLSA. Lots of angles to consider here. Call a lawyer who had dealt with these issues.

Can your employer make up his own pay rules for salaried employees?

You should speak with a lawyer familiar with labor and employment laws. FLSA might apply. You might be misclassified. Happens all the time.

Is it legal for an employer to withhold a paycheck after you quit?

I would suggest to you, no. Florida has laws pertaining to paychecks. Perhaps the FLSA or 448.08 might apply.

Sounds like you need to speak with an attorney who knows employment law and also workers compensation perhaps.

You might want to pull the credit report to see what derogatory remarks exist. There are legal options you have to deal with those matters. And,...