They are familiar with you and can give you direction and documentation.  

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.

Verifying last 2 years of rental history very important!

Verifying last 2 years of rental history very important!

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

Once you get around 50 doors, then I would look at documenting policies and procedures.

Quote from @Kyle Deboer: I am 18 years old with very little credit history and little capital.

Property values here have a steady history of growth, making it a reliable market for long-term investment.2.Tenant-Friendly Laws: While this might seem like a challenge for landlords, tenant-friendly laws create a stable rental market.

Proper documentation ensures you’re prepared to substantiate your claims.Federal REP or STR material participation allows you to deduct rental losses against active income, significantly reducing your tax liability.

Here's what I'd do: Create a Word Document or Google Document Titled "DRAFT: Life Vision" do not use a template, do not pay some guru for this.