Interview was canceled by uscis when they rescheduled new date ?

There is not set time span. May be a few days to several months or more.

Im us citzen applied for my finace k1 visa is changing job and location affect it

Changing jobs and moving do not affect application. CIS must be notified to receive communication and you must have sufficient income

What does green card holder need to provide when returning back to the states with a new baby delivered abroad ?

It may be possible to have the child return as a permanent resident on the first return visit to the US see: 22 CFR 42.1 - Aliens not required...

Hi, will I loose my tps if I apply after the re-registration period?

Yes unless receive approval of late filing from CIS. Contact an immigration attorney for assistance if you are unable to timely file.

Hi, I'm applying for adjustment of status(I-130, I-485), do I have to put all the forms, including I-693 in the same envelope...

send all together with a cover letter lisitng all enclosures. Send with tracking.

Pending Applicant for adjustment. The codes are listed in the instructions.

Granpa is sick in El Salvador, traveling under DACA, want to travel next week to see him.

Probably not possible within a one week time frame. Speak with an immigration attorney.

Is mortgage loan monthly statement sufficient proof of evidence of real property to support i-864 or wil this be rejected by CIS

It is the equity in your property no the amount of the mortgage.

I am a b1/b2 visitor, in us i was attacked by robbers (gun shot), i want to go back to home country for treatment & come ag

Yes you return as a visitor with a valid visa and if you have not accumulated unlawful presence of 180 days or more and you can convince CBP of...

I am US citizen. I was born in Colombia and I was granted Asylum Here in the US. Can I visit my country of origin?

Yes you may visit as a US citizen if you can obtain a visa.