90 days is the standard processing time. If you don't hear anything by then, make an InfoPass appointment. Here is the link: infopass.uscis.gov

My question is whether I can apply for and receive the permanent green card if my wife does not even appear for an interview ?

Yes, your wife MUST be present a the interview. You should probably consult with an experienced immigration attorney and consider representation...

Does a police report need to be translated for a I-751 Application?

Yes. Documents not in English must be translated into a certified translation.

What are the chances/percentage i will have to win or get approval from uscis regarding my case?

Any chance that you have can be greatly increased if you will consult with a US immigration attorney and fully discuss the facts and your options.

Does this disqualify me of getting a citizenship? Would I have to get a lawyer for this?

A DUI or DWI on your police record (that is, not one that's mixed in with other crimes or aggravating factors such as it being a "crime of...

Will he be able to reenter the U.S for visitation

Yes, he will be able to re-renter the USA in the future, but most likely not with overstaying parent, unless the overstaying parent's US visa...

I dont know whats the best thing to do to on both cases? i am clueless on what will be the best thing to do

Your case is detailed and too complicated for just a quick online forum answer. You should definitely consult with an immigration lawyer and a...

How do I get a permanent resident card through real estate purchase?

If you are looking for a direct permanent residency pathway to the USA (a Green Card) and you have $500,000.00 USD to invest, then the E-B 5 visa...

Could I became American citizen after a divorce from an American citizen?

Probably not true, but you should speak with an experienced immigration attorney about your specific facts and circumstances.

Can I apply naturalization without a lawyer?

One of the requirements for U.S. citizenship is that you show "good moral character", which includes paying your taxes. The USCIS naturalization...