DS160 form - "Has anyone ever filed an immigrant petition on your behalf with the United"

The answer should be Yes but not for your wife and child (unless your wife had a petition filed for her by an employer as well).

Does the immigration knows about all the addresses that i lived in check background in removing the gc condition

Yes they can find this information out.

Do I need to submit documentation as well as N-400 for dismissed traffic ticket ($550)?

Yes you should gather all documentation related to the incident.

What Happen if I don't travel the particular date after getting my B1 Visa

Most likely not, you can just ask the company for a letter explaining why they postponed the meeting.

Officers just say that to get you off their back - you have to be patient with these processes.

Will my green card get renewed if i was granted cancellation of removal under section 240A(a)? No criminal activity since then.

Why were removal proceedings initiated?

It would be helpful to know the basis of the removal and the I-485.

You can use the information from the visa.

Would I be financially responsible for the tourist's all visits to the America, whom I financially sponsored for one time only?

No just for the visit for which your submitted the I-134.

Will your worksite location be changing?