Re- entry permit renewal

Yes a new two year re entry permit may be possible. After 2 two re entry permits they may ge granted in 1 year increments.

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Citizinship

Yes unless your travel breaks your residence.

How can i hire employees from outside US and what the process

There are various visa classification for immigrant and non immigrant visas. Much more information as to the employer and the employee...

L1 to H1 COS issue

A change of status is considered abandoned with departure from the US.

VAWA GREENCARD

You may apply based on VAWA resident status 90 days before completing three full years as a resident.

Are uscis e-request responses email truthful or is it just a copy and paste reply?

There is no way to verify. Only CIS can verify the accuracy of the statement.

What should I check with my company lawyer before my case gets submitted to USCIS for H1B?

Ask your employer's lawyer if your are being filed for in the advance degree cap.

Would I be able to maintain my H1b status if my new employer allows me to work from home/remotely

Employment from home may be possible with a proper filing. Speak with your employer's immigration attorney.

Your employer will need to file h_1B indicating place of employment. Speak with your employer's immigration attorney.

When I change my job would my new employer be able to request for H1b extension based of my approved I140 from previous employer

Yes the approved I-140 my be used to request extension by the new employer. Speak with our new employer's immigration attorney.