Will my N400 be denied?

It is best to work with an attorney for a review of your case.

Will it affect my Citizenship process if I apply for Unemployment Benefits?

No this should not affect a subsequent immigration filing as these are not considered public benefits.

This alone does not mean denial only that additional review is needed. Be patient until a decision is made.

Best suitable time to apply for citizenship if marriage is in the near future?

It should not matter when you marry as you both have valid status in the US and if you are both free and legally able to marry, can do so at any time.

Old traffic tickets information in the application for remove conditions in my Green Card.

You should follow the advice of your retained counsel or seek a second opinion through review of your file.

Can I sponsor my parents in law?

Your wife may petition for her parents through either adjustment of status or consular processing. Consult with an attorney for guidance.

If my fiancé gets a green card is he eligible for any job or only certain jobs?

Yes with permanent residency he is authorized to legally work in the US.

My interview was on July 21 2017 for I 145 but no reply why?

You should consult with an attorney for review of your case or contact USCIS directly to inquire further.

How long can an immigration officer take to make a decision on a stroke I-485 interview ?

There is no exact timeline for adjudication and it can often take longer than 120 days. Consult with an attorney for review of your case to better...

May i file my papers( spouse petition) without my husband?

No unfortunately you cannot self sponsor based on marriage. There may be other options available which you can consult with an attorney about.