You'll need documentation of the cost to replace, hopefully, pictures from your cleaning team before their arrival, an owner's closet with lock for supplies, and limit the number of supplies you provide to a determined number.

So, communication and assignment issues, as well as not being able to explain the maintenance issues and the required work.3) Proper documentation and quality of work issues.

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

If it would help to get a more detailed estimate feel free to reach out.Documentation is rather limited, just ID, bank statement, LLC documents to start.Sometimes there are interest-only options at 30 and 40 years, generally the difference in payment fully amortized over I/O is minimal so it may not be worth it.

Another thing is the insurance is sent to the bank from your insurance provider and the seller should never be needed as long as the documentation has been completed correctly.This is why you must vet the law and title office you are closing with to make sure they know how to handle these transactions. 

Quote from @Sebastian Bennett: During underwriting they requested entity documentation for past completed projects.

This was also confirmed when I went there to submit the required documents, but they couldn't give me a proper timeline on when it would happen claiming that they were backed up. 

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

Addressing Housing Demand -California’s housing shortage is well-documented, and SB 9 directly targets the problem by promoting small-scale, incremental density increases.

LLC/ Corporation documentation (Must be a US based corporation or LLC) Most lenders may require a minimum credit score of 650 for this program if the borrower has US credit.