Green card interview ?

Yes, you should talk to an attorney. Many of us consult via Skype.

This is not a good plan. Q: 1) What is the probability of my Visa getting denied(as I already have my EAD)? And if my visa(F1) gets denied...

My green card interview will be in next few weeks. I lost my birth certificate and related affidavits. What should I do?

Most officers will be satisfied with the photocopies and won't ask for the original.

2 Employers on CPT. DSO said no maximum hours.

I agree with your DSO ... no maximum hours ... as long as they are in your field of study and the DSO puts their names on the I-20.

If you are a US citizen, this isn't an immigration law question. If you are not a US citizen, this can be a huge problem ... expungements have...

Can I go in USA if I have a C-1/D or USA visa?

The C/D is used when you are going to/from your ship ... not to visit a grandparent. Go to the US Consulate and get a B-2.

Green card interview location?

Most likely the interview will take place in Texas, where you ... the beneficiary ... live.

For I -765 filing ( post completion opt) do I need to submit copies of all the passports that I own to date or just the recent?

Just the current (most recent) passport should be enough. BUT, you should always list all names used on all forms.

IS THIS OKAY FOR THE ASC MEXICO CITY?

I don't know what part of Europa you are from ... but I challenge your statement "you don't have an extra ID" ... most people in Europa have...

Does a possession of a vape by a minor have penalties?

You need to be more specific. Tobacco vape pen? No problem. THC pen? ... DON'T DO IT.

Selected as the best answer