(Auctions and foreclosures can also provide great leads.)With $20K, hard money loans are a practical option, as they emphasize a property’s ARV over your financial history.

Check credit, income, and rental history.

That's about what mine cost to set a living trust with the documents you mentioned.

In neighborhoods that won't attract high credit score tenants, I've found that a stable job history with a MINIMUM of 1 year at current or previous job to be the best indicator of a great tenant. 

The note doesn't get recorded but gives the seller a document in case of default. 

Proof of funds would be a bank statement or some other document indicating the liquidity you have.

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

@Bryant XavierYes we provided documentation from the property manager who responded stating that the cause was the open doors and windows...didn't seem to help.

Many DSCR programs require an investor to have a mortgage history- there are some DSCR mortgage programs that will work with investors who are renting- some refer to them as first time home buyers (FTHBs)- DSCR loans are only for investment properties where the owner isn't living there. 

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