Isn't something you should discuss with your immigration attorney who is being paid to represent you? Your son can file the change of status but...

Just have your criminal defense attorney write a letter to CIS explaining the status of your case.

You need to consult with a Board Certified Immigration attorney. Not ask for advice on a blog. Good luck.

File for unemployment while on TN Status waiting for GC through marriage?

being paid for unemployment is not a public charge or affidavit of support issue.

They shoehorn before one year is up. There is no 240 day extension.

Can I switch employer?

The I-485 must be on file for at least 180 days to change employers.

Can I go for F 1 Visa stamping?

You can go as many times as you like but if you don't prove your intention to return home after your degree, they will not issue the visa.

K1 visa or spouse visa?

This has been answered and should not be discussed on a blog. Please speak with a Board Certified immigration attorney.

You should not be discussing this in public. Talk to a Board Certified Immigration attorney.

Can I file an appeal for denial of removal of conditions on permanent residence?

You can’t appeal unless you have a denial. You also need a Board Certified Immigration attorney.