You should be able to travel, but you will need a valid visa stamp for the correct status in the passport in order to return to the US. This means...

We have our citizen paperwork filled out, but have no idea how much money to send to start the process

The fees for each immigration form are posted on the USCIS site.

Do I need to get new L2 EAD when primary's L1 B visa is converted to L1 A. My current L2 EAD is valid for 1 more year.

No. Your status remain L-2 and your EAD remains valid.

Can i transfer my B2 visa to F2 visa in america? And how long does all the paper work need(include marry & get F2 visa)?

if you qualify for these changes of status and have not otherwise violated your status, then yes. Estimated processing times are posted on the...

What kind of background uscis does? they do police record from your homecountry too? they check marriage files abroad

That means they can investigate the case as much as they deem necessary. If they feel there is fraud involved, they will investigate the case fully.

Regarding Multiple H1 transfer process

You can, provided that you have the approval notices for each of the previous ones and can document that you were working. If company B's H-1B is...

How long does it take for an i-130 petition to be approved for unmarried daughter or son over 21?

Estimated processing times are posted on the USCIS website. After the I-130 is approved the child will need to wait for the priority date to become...

My husband recently entered a PTI program in New Jersey for one year. He is a conditional permanent resident...can we travel?

You need to retain an experienced immigration attorney to review the criminal matter in order to determine what impact, if any, it has on your...

H1B Transfer

If you cannot prove that you are maintaining H-1B status through pay stubs, USCIS will approve the petition only. This means that you would need to...

How can i get help?

It all depends on how you entered the US and whether or not you qualify for 245(i). You should have an experienced immigration attorney review...