Is a conditional resident eligible to reenter USA?

Yes it would not be a problem. But safer to apply for a travel document first

How can i Qualify for INA 321,

Consult an immigration attorney for possible faster and less expensive ways of proving citizenship.

She will have to be making more then the minimum listed for a person in her situation on form i-864p. She doesn't have to send all three years of...

How can my boyfriend get lawful status in US or at least visit his family in Mexico and then return to me in San Diego?

There are options for your fiance but they will take time. Try to speed up his divorce and contact an immigration attorney in the meantime to...

What are the details about the Application for Travel Document with the deferred action?

You would need to discuss the reason for the travel document with an attorney to judge whether you would qualify.

I was detained and returned as a minor, can I fix my status?

I recommend having a consultation with an immigration attorney to review your background to be able to give you a proper answer.

Can i petition for my parents to be legal in the u.s

You have to be 21 years old. Your parents week likely have do an embassy interview in their home country. Consult an immigration attorney.

F VISA to TN VISA

The f-visa itself won't be an issue. Getting an approval for that category will be. Definitely consult an attorney.

Do I need a sponsor for our immigration case?

The affidavit of support is required. The amounts are not very high. Check out the requirement level on the form I-864p.

My permanent resident card will need to be renewed in June of 2015 and I got a DUI in sept 3013. Will that affect my renewal?

You would be OK. But you should have been a citizen by now. Why risk it by staying a permanent resident?