Information about sibling Green Card application

1) 12-14 years 2) You will file for your sister. Her husband and children are derivatives on the application 3) Both are to be treated...

Multiple H1 applications and H4 visa

1) Yes 2) Before her current status expires 3) She cannot stay if you move to H-1B and she has no COS application pending or approved 4)...

I-765 Form- What should I select for -I am applying for, Have you ever before applied for employment authorization from USCIS?

The answer should be "YES" and mention the Service Center, date you applied and decision.

Can Employee take leaves when he/she does not have work authorization ?

You seem to be doing the right thing which is maintaining status. Whether you quit or seek leave is a call you will make ideally after consulting...

Sibling, Green Card, Consular Interview, Consulate Processing

The interview can be continued for various reasons.

My daughter just married her boyfriend who is here in the US on a 6 month Costa Rican Tourist Visa.

You should also apply for EAD and advance parole. Always consult an attorney before you make any travel plans.

EAD

No point cancelling it. The fees are non refundable.

H1b and EAD

Is the I-140 approved? Staying in the U.S. while I-485 is pending is OK.

Im a green card holder with 4 years and 3monthsin the us and recently got married in india can I apply for my spouse ????

You can file now and get the petition approved. Later you can seek to upgrade to USC spouse after you naturalize.

As long as you stopped to exchange your insurance information with the other party and you did not hit-and-run, you should be OK.