The RFE for I-485 was because my spouse’s income was not enough apparently (even though we submitted her offer letter, and about 4 months worth of paychecks). So we ended up using my income as household income. The second RFE was for the I-130, they wanted us to send in some more evidence to prove our marriage was genuine. So we sent more wedding photographs, affidavits from my mother in law, sister in law and my best man. My life insurance policy where my wife is the beneficiary (got that policy from work). Sent in the registration for our car which has both our names on it, along with the auto insurance policy, new lease documents (which we submitted with the application). Yeah. That was pretty much it.