US Immigration from China

I need to send my stepdaughter's I751 this week. Is it still taking 1-2 months to get receipts/extension letters like earlier this year?

We are a bit late to file (50 days to go until expiration) so I'm kind of nervous.

My husband (beneficiary) and I recently filed AOS and completed the biometrics appointment last week. This week, we received a request for initial evidence for our I-864. When we filed, I sent in the I-864EZ (which I now know was a mistake). They want me to send in my W2, which I do not have, since my taxes filed in 2020 were from my job in China, where I worked for the last 5 years. I sent in my wage statement instead, which states that my employer doesn't give out W2s because it isn't a US employer. I naively thought it would still work. Oops.

I am now back in the US and started a new job in August, and my income exceeds the I-864 requirements.

Now here's my question:

When I submit the regular I-864 form, will it be enough evidence to submit my 2020 tax transcript (from the China job) pay stubs from the last 4 months, my contract showing my salary, and my W2 for this job (that I'll receive in December)? Or, should I send in all of those things AND have my mother be a joint sponsor?

How is everybody here go about providing this one below:

"Affidavits sworn to or affirmed by at least two people who have known both of you since your conditional residence
was granted and have personal knowledge of your marriage and relationship."

(Thanks in advance)!

Hello All,

We are starting our I-751, Petition to Remove Conditions on Residence right now, and I have a question about WORK AUTHORIZATION. The WORK AUTHORIZATION for my spouse has expired and we forgot to renew it.

Does anyone know HOW WE CAN RENEW OUR WORK AUTHORIZATION WHILE WE ARE DOING OUR I-751?

Hello All,

We are starting our I-751, Petition to Remove Conditions on Residence right now, and I have a question about Part 5 (Information about your children).

Does anyone know if this is where I complete the information about the child that we have together after marriage?