Can i join the company when h1 transfer is in process?

AC-21 regulations permit you to begin employment with your new employer upon USCIS receipt of the new employer's H1B change of employer petition.

What should be best option?

1) she must be in the US to file an extension; 2)she can renew her visa with your I-797 and paystubs; 3) she could come back, if she travels...

Please let me know how best to extend a tourist visa and also what information is best to provide on the DS-160 form.

A 3 month ESTA/Visa Waiver admission cannot be extended. Nor, can a change of status be obtained from the ESTA/Visa Waiver admission. I recommend...

L2 EAD green card processing

If your wife is a qualifying manager of a US company that has been in business more than 1 year and was a qualifying manager for a related company...

Do I need to visit immigration department to get the I94 stamped till my Visa end date?

CBP will not likely amend the I-94. Your employer most likely will need to file an extension of your H or you could travel outside the US and...

A new employer may file a change of employer petition with your prior approval, visa, and admission. A lack of pay stubs may result in an H1B...

Can I apply for citizenship but not my wife? We're both LPR eligible for citizenship but she doesn't want to apply at the moment

You may apply for naturalization independently of your spouse.

Are they gonna to stop me in the airport going to this new destination? thanks

You should not expect to be stopped from leaving the US voluntarily to a new destination.

Should I wait till the end of month to find job or can start application for h4 with concurrent EAD process asap?

File your H4 and EAD asap. Current change to H4 processing time is 3 months. You will be in a period of authorized stay, but not eligible to work...

Should Employer B file on April 1 for a change of status H1B under the cap? I want to be sure when I go for the visa s

For H1B profit employment is valid only if H1B non-profit employment is concurrent. When you quit the non-profit you likely became out of status....