Do you know if a lawfirm can get the insurance to re-issue your settlement check in the lawfirm name only if you don't endorsed?

That would be fraud. You can always contact the medical providers directly to discuss your bill.

Can i stay beyond 240 days of my I94 expiry?

The best person to answer this question is your employer's attorney.

It is advisable to privately consult with an experienced immigration attorney .

Can i apply I-130 before filling "Inadmissibility Waiver" for my Father ?

Yes, you need to file an i-130 prior to filing a waiver.

Will i be arrested if i have a warrant on speeding tickets going back for he US from mexico ?

You can be arrested, anywhere anytime, if you have an outstanding warrant.

When I will get letter for oath taking ceremony?

Can take up to 120 days. When scheduled, you should receive a letter. Check with USCIS customer service number.

I’m a naturalized US citizens. I married an undocumented immigrant. We have 3 minor children. Can wife get passports for child

She will need your consent in order to obtain a passport for your child.

That's weird. Contact the court clerk. Better still, it is advisable to privately consult with an experienced traffic defense attorney.

My F2 got cancelled without prejudice!!

it is advisable to privately consult with an experienced immigration attorney.

How how can I get a ID with a warrant?

Hire an attorney to help you get rid of the warrant.