Mavni Applicant canceled contract, and plan to move back to my country. Will I have problem getting a tourist visa in the future

Immigration intent is always an issue in circumstances like yours. Unfortunately because discretion is a part of the process, there is no way to...

Can I obtain U.S. residency even though I do not have an arrival/departure I-94 form?

Yes you do and may begin the adjustment process one year after asylum grant.

Missing the immigration inspection officers. What is their schedule like?

What is going on is just fine. I imagine you know if you have a bonafide marriage or not. No shadow boxing allowed.

I am an unmarried 34 years old foreign child born from a foreign born US mother, am i a US citizen ?

There are enough facts in your question to warrant a visit with an immigration attorney. Much more is needed.

My friends wife came on K-3 visa. Next step is AOS. Wondering if green card fee applies i.e., $ 1070.00. I-130 is still pending.

Good job researching question before you asked. Right on fees and no need to wait.

I am applying to get a green card for my wife in the U.S. Do I need to write a separate check for I-130 and I- 485?

Yes you can write one check but make sure you Id what the check is for in the memo section.

When will it count?

Every day you overstay has meaning about something. But it depends in what context when you say counts.

As a DACA student, can I go on a plane within the US?

Yes you can travel within the US with proper ID, your EAD for example. No it will not affect mom.

How to get my fiancee back to the United States legally?

It is not about which form to file but the history of the applicant. In this case there is a probability of a permanent bar.

Submit with I130. But go back and look at what question the photos are answering. Ought to be a photo history of your relationship as a couple. Not...