Despite the frequent short trips, if you meet the continuous residence and physical presence requirement you are good to file.

Me and my wife have been married for 4 years. She is a citizen of Nicaragua here legally. how can she become a US citizen?

It depends on your status in the U.S.

How can a person who is native to India become a United States citizen

Too broad to cover on Avvo. A private meeting with an experienced immigration attorney is the best way to proceed. It depends on the person's...

What is the best option COS with 245 (k) or H1b stamping and apply for COS?

First address this question to your attorney filing the I-485 as he is aware of all the facts of your case. If not convinced, seek a private...

Just for your mom

H1b and L1 approval together: Is status implicit or based on stamping ?

If both petitions are approved, go to the Consulate to apply for the visa based on which you wish to enter the U.S.

I am divorced and want to re-enter US and renew my green card

More information is required.

Can I join company without hasitation on receipt ?

Yes. If denied, you will leave the U.S.

Can a person have 2 statuses L1B & H1B for same firm and switch between them as required ?

It may work better if you seek L-1 extension so your spouse can work too. On H-4 he cannot work. The fall back is that on L-1B you will have...

Can me and my spouse apply for I 485 at different times.

Best to file together if possible