Can I travel back to my home country and work there while my ead application is in progress?

Yes, you can work in your home country ... as long as you are on payroll in your home country and NOT a US payroll and NOT having money put into...

Can you work from home (India) country payroll from the USA? (H1B denied - Applied for B2 visitor visa)

Being put on the India payroll and working IN INDIA is legal. Being put on the India parole but working while you are in the US is...

Even if your probation is unsupervised, you still need permission from your PO before you leave the US.

Yes, it will be a problem. If the SB-1 isn't approved, you will have abandoned your greencard and your spouse can't get an immigrant visa. Talk...

H4 to unstamped revoked h1b under cap exempt?

What was/is the expiration date of the H-4 that is stamped in your passport? Did you try to use the H-4/EAD after you re-entered the US using...

How would my friend go about having a detainer lifted?

This is not an immigration question. I'll reclassify & I recommend that your friend talk to his/her criminal defense lawyer.

Can i apply for citizen ship since i got my 10 years GC on September 2019?

Look at your greencard. What is your "Resident Since" date.

What's the process for helping my parents with their immigrant status? I am a permanent US resident

Unfortunately, even if you become a US citizen, they can't get a greencard w/o a waiver and you can't sponsor their waiver ... only a USC/LPR...

No, a 797 receipt is NOT good enough. Wait until you get an Advance Parole before you cross a check-point.

Bio Metrics fees for spouse and children?

If you can convince the employer to do the papers, great. About 50% refuse to pay for family visas. As for fees, look here: ...