Can i travel out of the states?

You need to apply for a student visa at the U.S. Consulate in your country. Sorry for your loss!

Temporary residents can buy a house?

Yes you could buy a house, you should talk to a mortgage broker regarding the mortgage requirements

My fiance is in imagration custody and I am an American citizen, we have a child together and I would like to get married.

Main question is why your fiancée was taken into custody, you may have remedies, you should contact an immigration attorney without delay, time is...

Partner in failing company allowed to work for me?

You should check for any non-compete agreements and other documents such as, operating agreement, partnership agreement, shareholders agreement...

As other attorneys have suggested, it is helpful to determine the enforceability of the agreement. It is advisable to agree on a termination of...

When can I apply for citezenship

It is probably best to consult with an immigration attorney. Whether you could apply earlier based on you marriage to a USC will depend on your...

Im supposed to receive my 10 yrs green card 2 months ago

If you have your Card, you do not need to do anything.

If i aply for change of status from f2 to h1b , kindly suggest me if i fall in to the same category of H1B Quota & lottery sytm?

You will be subject to cap unless your employer is cap exempt. Check with your employer's immigration attorney to determine your situation.

Can I apply for citizenship?

You could apply if you meet all the other requirements of citizenship. Your permanent citizen status started when the first Green Card was issued.

Can i enter the U.S. with a Canadian passport, planning on staying due to valid I-20 on another passport?

If you want to enter as a student, you should use the passport that contains the F1 visa.