First of all, my personal credit was a very good at 735 midscore. 100% financed tidied it up just a little bit more with  just cleaning up a couple of things on my credit.

@Levi Perl Since your single-member LLC (SMLLC) is a disregarded entity, all rental income or losses are reported directly on your personal tax return rather than at the LLC level.

@Matt Solis would be the perfect person to speak to about this!

When structuring a deal, what might work for one person, may not work for the other.

The person had something of an accent.

This is a very personal question that is difficult to answer. 

It can come from a personal investor who will negotiate terms, or potentially a piece of the equity.

I take a picture of their driver's license.I ask for phone numbers that accept texts and any alternate land or business phone numbers.I ask for the names and birth dates of anyone under 18, and ask if there are any service / emotional support animals, together with their names and breeds.I also ask for personal references, previous landlord contact info (and length of time there), employer contact info (and how long there, together with earnings), as well as the name and contact information for their manager / boss.

@Enrique Toledo  If the seller is firm at 10% down, you can always get a personal loan for that 10%. 

For my personal portfolio I use a modified spreadsheet amortization by VERTEX, available in Google Docs.