Documentation doesn't mean you have to have proof of what the thing was. 

Just as long as I have proof?

Also, how many months do I need to have proof of income?

I think there are better strategies to score a great investment: purchase price is certainly a big one (think instant equity), but rentability (vacancy rates), capex (long term cost of ownership), choice of finishes (how to tenant-proof an apartment), contractors to choose etc etc will effect your cash flow, your ROI and your overall ownership experience.

Proof of any income statements, balance sheets and a reconciliation of net worth.

Therefore, if you are keeping a separate account for your business related expenses, your account statements should be enough proof that a payment was made. 

Of course nobody wants to pay a lot of taxes, but when you're self employed those tax returns are the only proof you have of income.  

- Fannie Mae rules state that I have to show proof of where the funds came from when doing delayed financing.

They should be able to provide her with general information but will not disclose loan specific information unless she can proof that she is authorized to handle the affairs of the estate.Feel free to PM me if you have any other questions.

It's 3k then a proof funds letter is provided. the appraisal fee comes out of the deposit. the money left after appraisal is returned after the deal is completed.Just seeing if this typical.