How can I make my mom a US resident if she is here in the US?

Best thing to do is talk with your mom, then find an immigration attorney. You can file for her when you are 21 years old so you will have to wait...

Can I file for bankruptcy without affecting my emmigation status?

Your immigration status will not be affected by a bankruptcy.

You may need to just file the I-130 for the child now as you are already married. Leave the child there to finish school while the I-130 is...

Green card interview based on approved form I-730 ( relative asylee)

Yes this is completely normal. You can take a lawyer if you wish but it is not necessary.

What should be next step

You can schedule an infopass appointment online with USCIS or just wait. The appeals do take a long time.

Should I fill N/A or leave them blank for Part 9 and Part 10 of my N-400? Thanks!

Please follow the instructions that are provided on the USCIS website under the forms section for N-400.

You do not qualify for a green card based on academic excellence. However, if you do not have status now you are eligible for DACA.

Should I file a re entry form? If yes, how much legal fees in total is required and am I guaranteed of an approval

Yes you can file a re-entry permit for your son. However, if the training is less than one year and your son's expected absence is less than one...

If you are still on H-4 status then you can transfer with no problems. In order to get F-1 status at the other school you will need to coordinate...

What can I do before they make decisions

You can withdraw or you can go forward with the petition. Your choice.