I was wondering is there a response time limit after my attorney send a demand package to the insurance company ?

No specific time. So long as you have qualified counsel, s/he knows best how to represent you.

What?

Employment lawyer and/or complaint to the State office of employee rights.

Possibly. Best to consult directly with qualified TN counsel. Be mindful that if this is municipal land there are likely short and exacting...

What should I do? Is the 400 acceptable in this case? Is there a time limit to where they will not offer more due to time frame?

There is one near certainty in this business, injured consumers have a net gain with an attorney. This is why the insurance companies tell you not...

Can my husbands drivers licence get taken away if i got into a wreck and our insurance was expired ?

It may behoove you to retain qualified counsel (Vehicle and Traffic Law) in IN.

How can I not be held liable for my mothers actions if she creates a legal situation?

That's very nice. If you own a car that your mother drive's, for example, then you remain liable. If your mother is totally independent from you,...

I hit a passing car when I was backing out of parking spot (in girlfriends rental car). No insurance, can they sue me??

Yes, anytime you are involved in a motor vehicle incident you can be sued (so can your girlfriend).

Can I sue my work place for neglect against employees?

No, an employee may not sue an employer for negligence.

In March I slipped in the bathroom in my room at a major hotel in Vegas and broke my hip, tried to settle on my own.

The answer is yes. The problem is you've made the attorneys job even harder. Good luck.

Who can I sue for getting stabbed for no reason

Seems as if you were working at the time. Retain a workers compensation attorney. Good luck.