Can i use online asset valuation tools (Zillow etc.,) to asses the current value of my home and attach it to i864?

Yes that is information you may submit. Also consider other evidence such as evaluation from a licensed real estate broker with comparable sales in...

Yes that is information you can submit. Consider obtaining other valuations such as from a licensed real estate agent with comparable sales in the...

You are eligible to apply using the three-year eligibility rule you must be a permanent resident for two years nine months and living with your...

CR1 processing time NC and consulate

You may apply at any US consulate outside the United States that is willing to accept your application. Coming to the United States as a...

Which O1 visa classification should I pick when renewing employment with same employer but materially different position?

The position must be within the field of expertise of the beneficiary. Generally O-1 status is extended in one year increments. There may be other...

Moving to a more appropriate thread.

Will I be able to add assets after my paper is submitted?

It may be possible but to give you an a good assessment you need to take your documents to an Immigration attorney for review. You may still...

Yes with a timely filed application for change the status you may remain in United States pending a decision.

Possible to file for new H1B cap exempt VISA using copy of I-129S with approval stamp ?

Assuming you meet all the other requirements yes it is possible.

How many times can one be a cosponsor ? Are there limits? Am also a petitioning for my mothe?

As long as you have sufficient income to meet the requirements of a cosponsor you may file for as many persons as you want.