H-1B transfer while H-1B amendment petition is with USCIS ( Valid I-94 till late 2019 )

1. Yes 2. Possibly in certain situations 3. Possibly in certain situations

I had i140 approved with employer A, changed to employer B in 10th year. Can I apply for 2 extension if A's i140 is withdrawn?

If approved and pending 180 days before withdrawal probably okay. See your immigration attorney

What is recommended visa type to change from L2? H1B or L1A? Want to know Deadline, Cost, Process, Link & Pros/Cons of both

Each has different requirements and filling fees. Each attorney sets their own fee. To determine eligibility for each and accordingly the fees. See...

Petitioning an undocumented minor here in the US? It’s been a month since he did his biometrics. How long more?

The scheduling is not faster for children. See the USCIS website for processing time

In-laws B2 Visitor visa rejected (214b), Need suggestion to reapply.

Unlikely that a visitor visa will be granted after a denial. To increase the small possibility of obtaining a visa engage the services of an...

How?

Did she remain in status? What is reason for RFE? These and other issues need to be reviewed. The person in a position to assess is the immigration...

Can I transfer weekly $10,000 for a month from my own country to the USA and invest in Bitcoin on Chinese exchange?

This a tax question not immigration. Moving to another list.

L1A blanket extension from Canada without risking pending 485.

L-1A extension either using blanket or individual is fine. Travel for visa done correctly is okay, however, since your immigration attorney or your...

If you are not employed you are not eligible for visa or travel to US.

Should i renew my green card if i applied for the N600, and my status is still pending, while green card is about to expire?

Come back before resident card expires. If you are a US citizen (M-600) you are not eligible for resident status.