Regarding opt rfe for proof of evidence in the u.s

We do not know what was sent and have not read the RFE. Work closely with your school's DSO and preferably an immigration attorney to represent you...

Can I still adjust in the U.S Using I-245i despite the fact that I 've been in the U.S since 1998 but just got married

Since you indicated that nothing was ever filed on your behalf you do not appear to be 245i-eligible. Meet with an immigration attorney to...

2k deposit was given to a lawyer to file documents for citizenship, but nothing has been done. How can I have my money returned?

Are you sure it was a real attorney? What is his basis for citizenship if he just arrived? It sounds fishy. Have another lawyer review the case...

Can I file concurrently I-130 and I485 for my mom living abroad?

No only the i130. Work with an immigration attorney as you seem to need more than general guidance.

Does this finally mean I have *actually* been approved?

Yes congratulations! That's what that update usually means.

Regarding TPS for Nepal.

No, there shouldn't be, since TPS is presumably only a temporary status. However you would be strongly advised to work directly wtih an immigration...

Yes your history is known to immigration authorities. You can certainly try to apply for a visitor visa if the bar has run but it is not likely to...

FIlled vawa with attorney but applied for i-765 on my own

75 days is less than the 90 days average processing time so your application is still xompletelt within the normal processing time window. Be patient.

To have OPT, do I have to find an employer?

Ummm yes how else would you get professional training i.e. work experience?

How successful would be my petition for EB-2 NIW with low citations?

The overall big picture is more important than a particular number of achievements for this type of application. Hire an immigration attorney...