You can get a STEM OPT extension twice in one academic life cycle. Even if you did a STEM degree  and never used stem opt extension you should be able to reuse it. 

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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.

Sure, but maintaining an H-1B simply means that your H-1B is not destroyed just because you are not working here all the time. Also remember that you can recapture the time spent outside.
For more on this topic please visit my author page.
https://economictimes.indiatimes.com/etreporter/author-rajiv-khanna-479254772.cms
 

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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 finish your H-1B term.
2. I don't see why not.
 

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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.

If they can come back before November I think that would be a good idea just to be safe.There is no guarantee that the reentry permit will be approved, although it is very rare for reentry permits to be denied at least for the first two years.

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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.

It is legal and so far it has been safe. You know that the rule for Day 1 CPT requires that when you join, you are associating with a graduate program otherwise you cannot get a Day 1 CPT. The Curricular Practical Training is an integral part of your degree. You cannot finish the degree without the practical training. The other thing is the employer signs the cooperative agreement with the university. The only additional suggestion I have is if you are going to do Curricular Practical Training make it as an adjunct to your profession.

For more information please check my blog.
https://immigration.com/blogs/curricular-practical-training-cpt
 

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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.