Your offer to purchase should include a requirement that the Seller provide all documentation and agree to sign an estoppel certificate (also called an estoppel form or agreement).

And we have documentation as well as elated clients that will attest to those rents as well.

. $100 for a lease and several other documents, written by investors and attorney approved for your state.

What documentation should  I request?

I'm really interested in foreclosure/ pre-foreclosure purchases and have been studying on how to read court documents, title searches, and I have been watching the auctions daily.

You would use step 1 and step 2A from this form to come up with your income:  https://content.enactmi.com/documents/calculators/Form1038.C...3) It was mentioned above to use DSCR for the next property but DSCR loans are ONLY for non-owner occupied so that is not an option for a primary.  

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

Also one allowing you to review the documents (rent roll, P and L, Tax returns, insurance claims history, 3rd party agreements, leases) which allows you to terminate the contract if you are not satisfied.

If you have no lates in the last 12 months and re-established credit meaning you have atleast 3 tradelines you have made ontime payments on for the last 12-24 months you may be eligible for VA financing with 580 min or lower scores depending on the scenario.Most of the time these type of files with be a total cluster and require 30-40 conditions ranging from letters of explanation, additional documentation, and or other to close.

This document outlines specific loan terms, including a clause about transferring the underlying property: 'This loan may become immediately due and payable upon transfer of the property securing such a loan to any transferee