Can I acquire housing, and will I be able to return to the United States frequently on a B2 Visa? Have not applied yet.

You may do all three and not violate the B status, however, Immigration will likely question your intent to remain a non immigrant. More time in...

Is it possible that if someone gets a visit visa for US and he wants to change the status of his visa while in US ?

It may be possible if entry to the US is a B-2 but it is recommend that a change from B to F be discussed with an immigration attorney before...

USCIS uses the filing date, the filing date is set when the matter is accepted by CIS.

I'm a green card holder & in the process of immigrating my 2 kids .If I file bankruptcy now .will effect my status & my kids?

If you are the sponsor on the affidavit of support and have sufficient income it will not affect the petition for your children.

You are not eligible to join the US Armed Forces. You should seek representation from an immigration attorney in the removal process.

As an adult adoptee can my adoptive dad file for my residency?

You are too old o date of adoption to obtain immigration benefits.

I have a social security no. because i changed my status from B1/B2,to J1 research(UNPAID,SELF-FUNDED).position.

You must indicate all information. If it was self-funded research state it as such.

If a person is caught in the border while entering without inspection and they are under 18 years old does it count against them

Yes it may have impact. You should discuss with immigration attorney.

My online I94 Date and I797A Date does not match

The period of time given by CBP at entry controls. Speak with your employer's immigration attorney to have amended.

Advance Parole and Green Card

They need to travel as permanent residents.