Can I invoice my client as an individual?

Since you are an individual you can invoice them as such but you probably have to provide your social security number for their accounting purposes...

Do I need a lawyer

Unclear from your post if you were terminated or otherwise disciplined. If you believe you were treated unfairly best to consult local employment...

Can always sue other driver for shortfall in payments or put claim into your carrier and they will pursue them for you.

Can I sue my apartment complex for negligence.

You do not have a case that most attorneys would consider taking on contingency. Confirm with local counsel in the event that your son has had care...

Can I sue my landlord?

If the condition of the apartment caused your fall and the landlord knew or should have known of same you should contact personal injury counsel to...

Civil Case

In a civil case the only consequence of failure to appear (in some jurisdictions this would have to be on multiple occasions) would be default...

If your ex-girlfriend took money that was yours and she had no legal to take, you can sue her to get paid back. If your bank refuses to allow you...

I just concluded a Federal law suit. I want to collect all documents - depositions, evidence, judge's decision etc...

Besides you lawyer the other sides counsel would have it. Their are court transcripts as well which may or may not have been ordered.

Damage recovery

Need to have collection attorney involved and may even need to co-counsel with attorney in venue where assets are located to effectuate recovery....

I opened a container and found something weird, what can I do about it?

If you have no injury, you do not need a lawyer and can get a refund as well as some other minor freebies by proving your case to Walmart and/or...