Her income shown on the 2023 Tax Return Transcript was below the guidelines since we, at the time, thought we could use assets to qualify. When it turned that this could complicate things we did our best to get a better job situation for her.
She only has employee income.
The only thing I can now think of that we maybe should have included would be the Employment Verification Letter though the posts I read on here and the I-864 instructions themselves appeared to indicate pay stubs were more solid as evidence.