Do I need to write the letter to USCIS regarding the mistake on I-485? ?

It is best to correct the answer at the interview.

I-485 Income (Income Tax Deductions)

Immigration looks at the line for Total Income on IRS Forms 1040 and 1040A to determine if the income meets the requirement. The Total Income can...

USCIS does not require form DS-3025. Form I-693 is sufficient to submit to USCIS.

2-year Green Card Expired - Is it absolute necessary to File Form I-751 with Form I-90 to renew card or I-90 can be sufficient?

Yes, you are required to File the Form I-751 before the expiration of the temporary Green Card.

#Immigration: How can I find out my I-485 is transferred?

Yes, you should be receiving a letter from USCIS. You also need to change your address with USCIS. You may file an e-request or call USCIS.

The field of work must align on the field of study. Please have a consultation with an experienced immigration attorney.

How COVID19 government help could effect on green card process?

It should not be considered a public charge. Have a consultation with an attorney to check your immigration case, combined with your wife's F1 visa.

Yes, you may buy a car. It is required to have a valid driver's license and insurance to drive in Los Angeles.

You may apply for unemployment and that will not affect your I-751 case.

Should I extend my b1/b2 visa during the coronavirus ?

Yes, as a visitor you should apply for a visa extension.