NVC asked for AOS and financial documents for my spouse visa, What should I send?

[ibulp]

Hello Everyone,
USCIS approved my wife's I-30 and sent it to NVC. I received an email from NVC with case and invoice number and requested me to pay AOS and Applicant Visa Fees.
I paid my fees and now is asking for AOS " affidavit of support and financial documents" My question is:
What is Affidavit of Support?
What financial documents they want? " bank statements, pay stubs, w2!?"
And how much money should be making to be eligible without needing to get a joint sponsor " co-sponsor"

And are there any templates of AOS here I can check out?

Thank you everyone and happy thanksgiving.

[PKumar01]

Using the I-130 for your spouse, you need to use the I-864 Affidavit of Support. All the instructions are within that form regarding what supporting documents are required. You will most likely send your most-recent tax returns, w2 forms, paystubs, etc. It's all spelled out in the I-864 instructions. Your income/assets are enough if you meet 125% of the limits as set forth in the I-864p document. Please take a look at the USCIS website for details on that.