OPT

Sure, you can apply for any of these green cards while you are still a student.

Please go through my article in The Economic Times: 

https://economictimes.indiatimes.com/nri/migrate/can-student-visa-holders-apply-for-a-green-card/articleshow/83976519.cms

NIW laws require only that you possess an advanced degree. A Master’s degree is an advanced degree.

---------------------------------------
Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

1. You can  double check with your DSO  about the technical issues involved.

2. You have to go back to your DSO and tell them you would like to continue on OPT STEM.

3. All the time.
 

---------------------------------------
Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

1. Yes. STEM OPT people can also have more than one concurrent job, but they have to work with their DSO's to make sure the paperwork is filed properly.
2. Yes, as long as there is a good faith intention to join any one of these employers who can get your green card.
3. Yes, you can. You can have  multiple H-1B approvals living together in the same space.
4. It does not impact the speed of the green card. What is most important is the company's financial solvency.
5. Remote work is possible for both OPT STEM, H-1B and Green Card jobs.
 

---------------------------------------
Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

In my opinion, if you go on leave without pay you are only entitled to benefits or not even benefits as long as you are not working. I do not consider this to be a violation of the student status.
 

---------------------------------------
Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.

1. First  of all, unless you are traveling you do not have to renew your visa. If the visa expires while you're still completing your course, it's absolutely no problem. 
2. Technically, once your F-1 has been granted, any country should be able to renew it.
3. It is not necessary for both your queries.
 

---------------------------------------
Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.